C:/xampp/htdocs/moodle/lib/simplepie/simplepie.class.php

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<?php
define('SIMPLEPIE_NAME', 'SimplePie');

define('SIMPLEPIE_VERSION', '1.3-dev');

define('SIMPLEPIE_BUILD', gmdate('YmdHis', SimplePie_Misc::parse_date(substr('$Date$', 7, 25)) ? SimplePie_Misc::parse_date(substr('$Date$', 7, 25)) : filemtime(__FILE__)));

define('SIMPLEPIE_URL', 'http://simplepie.org');

define('SIMPLEPIE_USERAGENT', SIMPLEPIE_NAME . '/' . SIMPLEPIE_VERSION . ' (Feed Parser; ' . SIMPLEPIE_URL . '; Allow like Gecko) Build/' . SIMPLEPIE_BUILD);

define('SIMPLEPIE_LINKBACK', '<a href="' . SIMPLEPIE_URL . '" title="' . SIMPLEPIE_NAME . ' ' . SIMPLEPIE_VERSION . '">' . SIMPLEPIE_NAME . '</a>');

define('SIMPLEPIE_LOCATOR_NONE', 0);

define('SIMPLEPIE_LOCATOR_AUTODISCOVERY', 1);

define('SIMPLEPIE_LOCATOR_LOCAL_EXTENSION', 2);

define('SIMPLEPIE_LOCATOR_LOCAL_BODY', 4);

define('SIMPLEPIE_LOCATOR_REMOTE_EXTENSION', 8);

define('SIMPLEPIE_LOCATOR_REMOTE_BODY', 16);

define('SIMPLEPIE_LOCATOR_ALL', 31);

define('SIMPLEPIE_TYPE_NONE', 0);

define('SIMPLEPIE_TYPE_RSS_090', 1);

define('SIMPLEPIE_TYPE_RSS_091_NETSCAPE', 2);

define('SIMPLEPIE_TYPE_RSS_091_USERLAND', 4);

define('SIMPLEPIE_TYPE_RSS_091', 6);

define('SIMPLEPIE_TYPE_RSS_092', 8);

define('SIMPLEPIE_TYPE_RSS_093', 16);

define('SIMPLEPIE_TYPE_RSS_094', 32);

define('SIMPLEPIE_TYPE_RSS_10', 64);

define('SIMPLEPIE_TYPE_RSS_20', 128);

define('SIMPLEPIE_TYPE_RSS_RDF', 65);

define('SIMPLEPIE_TYPE_RSS_SYNDICATION', 190);

define('SIMPLEPIE_TYPE_RSS_ALL', 255);

define('SIMPLEPIE_TYPE_ATOM_03', 256);

define('SIMPLEPIE_TYPE_ATOM_10', 512);

define('SIMPLEPIE_TYPE_ATOM_ALL', 768);

define('SIMPLEPIE_TYPE_ALL', 1023);

define('SIMPLEPIE_CONSTRUCT_NONE', 0);

define('SIMPLEPIE_CONSTRUCT_TEXT', 1);

define('SIMPLEPIE_CONSTRUCT_HTML', 2);

define('SIMPLEPIE_CONSTRUCT_XHTML', 4);

define('SIMPLEPIE_CONSTRUCT_BASE64', 8);

define('SIMPLEPIE_CONSTRUCT_IRI', 16);

define('SIMPLEPIE_CONSTRUCT_MAYBE_HTML', 32);

define('SIMPLEPIE_CONSTRUCT_ALL', 63);

define('SIMPLEPIE_SAME_CASE', 1);

define('SIMPLEPIE_LOWERCASE', 2);

define('SIMPLEPIE_UPPERCASE', 4);

define('SIMPLEPIE_PCRE_HTML_ATTRIBUTE', '((?:[\x09\x0A\x0B\x0C\x0D\x20]+[^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:"(?:[^"]*)"|\'(?:[^\']*)\'|(?:[^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?)*)[\x09\x0A\x0B\x0C\x0D\x20]*');

define('SIMPLEPIE_PCRE_XML_ATTRIBUTE', '((?:\s+(?:(?:[^\s:]+:)?[^\s:]+)\s*=\s*(?:"(?:[^"]*)"|\'(?:[^\']*)\'))*)\s*');

define('SIMPLEPIE_NAMESPACE_XML', 'http://www.w3.org/XML/1998/namespace');

define('SIMPLEPIE_NAMESPACE_ATOM_10', 'http://www.w3.org/2005/Atom');

define('SIMPLEPIE_NAMESPACE_ATOM_03', 'http://purl.org/atom/ns#');

define('SIMPLEPIE_NAMESPACE_RDF', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#');

define('SIMPLEPIE_NAMESPACE_RSS_090', 'http://my.netscape.com/rdf/simple/0.9/');

define('SIMPLEPIE_NAMESPACE_RSS_10', 'http://purl.org/rss/1.0/');

define('SIMPLEPIE_NAMESPACE_RSS_10_MODULES_CONTENT', 'http://purl.org/rss/1.0/modules/content/');

define('SIMPLEPIE_NAMESPACE_RSS_20', '');

define('SIMPLEPIE_NAMESPACE_DC_10', 'http://purl.org/dc/elements/1.0/');

define('SIMPLEPIE_NAMESPACE_DC_11', 'http://purl.org/dc/elements/1.1/');

define('SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO', 'http://www.w3.org/2003/01/geo/wgs84_pos#');

define('SIMPLEPIE_NAMESPACE_GEORSS', 'http://www.georss.org/georss');

define('SIMPLEPIE_NAMESPACE_MEDIARSS', 'http://search.yahoo.com/mrss/');

define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG', 'http://search.yahoo.com/mrss');

define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG2', 'http://video.search.yahoo.com/mrss');

define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG3', 'http://video.search.yahoo.com/mrss/');

define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG4', 'http://www.rssboard.org/media-rss');

define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG5', 'http://www.rssboard.org/media-rss/');

define('SIMPLEPIE_NAMESPACE_ITUNES', 'http://www.itunes.com/dtds/podcast-1.0.dtd');

define('SIMPLEPIE_NAMESPACE_XHTML', 'http://www.w3.org/1999/xhtml');

define('SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY', 'http://www.iana.org/assignments/relation/');

define('SIMPLEPIE_PHP5', version_compare(PHP_VERSION, '5.0.0', '>='));

define('SIMPLEPIE_FILE_SOURCE_NONE', 0);

define('SIMPLEPIE_FILE_SOURCE_REMOTE', 1);

define('SIMPLEPIE_FILE_SOURCE_LOCAL', 2);

define('SIMPLEPIE_FILE_SOURCE_FSOCKOPEN', 4);

define('SIMPLEPIE_FILE_SOURCE_CURL', 8);

define('SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS', 16);

class SimplePie
{
        public $data = array();

        public $error;

        public $sanitize;

        public $useragent = SIMPLEPIE_USERAGENT;

        public $feed_url;

        public $file;

        public $raw_data;

        public $timeout = 10;

        public $force_fsockopen = false;

        public $force_feed = false;

        public $xml_dump = false;

        public $cache = true;

        public $cache_duration = 3600;

        public $autodiscovery_cache_duration = 604800; // 7 Days.

        public $cache_location = './cache';

        public $cache_name_function = 'md5';

        public $order_by_date = true;

        public $input_encoding = false;

        public $autodiscovery = SIMPLEPIE_LOCATOR_ALL;

        public $cache_class = 'SimplePie_Cache';

        public $locator_class = 'SimplePie_Locator';

        public $parser_class = 'SimplePie_Parser';

        public $file_class = 'SimplePie_File';

        public $item_class = 'SimplePie_Item';

        public $author_class = 'SimplePie_Author';

        public $category_class = 'SimplePie_Category';

        public $enclosure_class = 'SimplePie_Enclosure';

        public $caption_class = 'SimplePie_Caption';

        public $copyright_class = 'SimplePie_Copyright';

        public $credit_class = 'SimplePie_Credit';

        public $rating_class = 'SimplePie_Rating';

        public $restriction_class = 'SimplePie_Restriction';

        public $content_type_sniffer_class = 'SimplePie_Content_Type_Sniffer';

        public $source_class = 'SimplePie_Source';

        public $javascript = 'js';

        public $max_checked_feeds = 10;

        public $all_discovered_feeds = array();

        public $image_handler = '';

        public $multifeed_url = array();

        public $multifeed_objects = array();

        public $config_settings = null;

        public $item_limit = 0;

        public $strip_attributes = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc');

        public $strip_htmltags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style');

        public function __construct()
        {
                if (version_compare(PHP_VERSION, '5.0', '<'))
                {
                        trigger_error('PHP 4.x is no longer supported. Please upgrade to PHP 5.2 or newer.');
                        die();
                }

                // Other objects, instances created here so we can set options on them
                $this->sanitize = new SimplePie_Sanitize();

                if (func_num_args() > 0)
                {
                        trigger_error('Passing parameters to the constructor is no longer supported. Please use set_feed_url(), set_cache_location(), and set_cache_location() directly.');
                }
        }

        public function __toString()
        {
                return md5(serialize($this->data));
        }

        public function __destruct()
        {
                if ((version_compare(PHP_VERSION, '5.3', '<') || !gc_enabled()) && !ini_get('zend.ze1_compatibility_mode'))
                {
                        if (!empty($this->data['items']))
                        {
                                foreach ($this->data['items'] as $item)
                                {
                                        $item->__destruct();
                                }
                                unset($item, $this->data['items']);
                        }
                        if (!empty($this->data['ordered_items']))
                        {
                                foreach ($this->data['ordered_items'] as $item)
                                {
                                        $item->__destruct();
                                }
                                unset($item, $this->data['ordered_items']);
                        }
                }
        }

        public function force_feed($enable = false)
        {
                $this->force_feed = (bool) $enable;
        }

        public function set_feed_url($url)
        {
                if (is_array($url))
                {
                        $this->multifeed_url = array();
                        foreach ($url as $value)
                        {
                                $this->multifeed_url[] = SimplePie_Misc::fix_protocol($value, 1);
                        }
                }
                else
                {
                        $this->feed_url = SimplePie_Misc::fix_protocol($url, 1);
                }
        }

        public function set_file(&$file)
        {
                if (is_a($file, 'SimplePie_File'))
                {
                        $this->feed_url = $file->url;
                        $this->file =& $file;
                        return true;
                }
                return false;
        }

        public function set_raw_data($data)
        {
                $this->raw_data = $data;
        }

        public function set_timeout($timeout = 10)
        {
                $this->timeout = (int) $timeout;
        }

        public function force_fsockopen($enable = false)
        {
                $this->force_fsockopen = (bool) $enable;
        }

        public function enable_cache($enable = true)
        {
                $this->cache = (bool) $enable;
        }

        public function set_cache_duration($seconds = 3600)
        {
                $this->cache_duration = (int) $seconds;
        }

        public function set_autodiscovery_cache_duration($seconds = 604800)
        {
                $this->autodiscovery_cache_duration = (int) $seconds;
        }

        public function set_cache_location($location = './cache')
        {
                $this->cache_location = (string) $location;
        }

        public function enable_order_by_date($enable = true)
        {
                $this->order_by_date = (bool) $enable;
        }

        public function set_input_encoding($encoding = false)
        {
                if ($encoding)
                {
                        $this->input_encoding = (string) $encoding;
                }
                else
                {
                        $this->input_encoding = false;
                }
        }

        public function set_autodiscovery_level($level = SIMPLEPIE_LOCATOR_ALL)
        {
                $this->autodiscovery = (int) $level;
        }

        public function set_cache_class($class = 'SimplePie_Cache')
        {
                if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Cache'))
                {
                        $this->cache_class = $class;
                        return true;
                }
                return false;
        }

        public function set_locator_class($class = 'SimplePie_Locator')
        {
                if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Locator'))
                {
                        $this->locator_class = $class;
                        return true;
                }
                return false;
        }

        public function set_parser_class($class = 'SimplePie_Parser')
        {
                if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Parser'))
                {
                        $this->parser_class = $class;
                        return true;
                }
                return false;
        }

        public function set_file_class($class = 'SimplePie_File')
        {
                if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_File'))
                {
                        $this->file_class = $class;
                        return true;
                }
                return false;
        }

        public function set_sanitize_class($class = 'SimplePie_Sanitize')
        {
                if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Sanitize'))
                {
                        $this->sanitize = new $class();
                        return true;
                }
                return false;
        }

        public function set_item_class($class = 'SimplePie_Item')
        {
                if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Item'))
                {
                        $this->item_class = $class;
                        return true;
                }
                return false;
        }

        public function set_author_class($class = 'SimplePie_Author')
        {
                if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Author'))
                {
                        $this->author_class = $class;
                        return true;
                }
                return false;
        }

        public function set_category_class($class = 'SimplePie_Category')
        {
                if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Category'))
                {
                        $this->category_class = $class;
                        return true;
                }
                return false;
        }

        public function set_enclosure_class($class = 'SimplePie_Enclosure')
        {
                if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Enclosure'))
                {
                        $this->enclosure_class = $class;
                        return true;
                }
                return false;
        }

        public function set_caption_class($class = 'SimplePie_Caption')
        {
                if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Caption'))
                {
                        $this->caption_class = $class;
                        return true;
                }
                return false;
        }

        public function set_copyright_class($class = 'SimplePie_Copyright')
        {
                if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Copyright'))
                {
                        $this->copyright_class = $class;
                        return true;
                }
                return false;
        }

        public function set_credit_class($class = 'SimplePie_Credit')
        {
                if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Credit'))
                {
                        $this->credit_class = $class;
                        return true;
                }
                return false;
        }

        public function set_rating_class($class = 'SimplePie_Rating')
        {
                if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Rating'))
                {
                        $this->rating_class = $class;
                        return true;
                }
                return false;
        }

        public function set_restriction_class($class = 'SimplePie_Restriction')
        {
                if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Restriction'))
                {
                        $this->restriction_class = $class;
                        return true;
                }
                return false;
        }

        public function set_content_type_sniffer_class($class = 'SimplePie_Content_Type_Sniffer')
        {
                if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Content_Type_Sniffer'))
                {
                        $this->content_type_sniffer_class = $class;
                        return true;
                }
                return false;
        }

        public function set_source_class($class = 'SimplePie_Source')
        {
                if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Source'))
                {
                        $this->source_class = $class;
                        return true;
                }
                return false;
        }

        public function set_useragent($ua = SIMPLEPIE_USERAGENT)
        {
                $this->useragent = (string) $ua;
        }

        public function set_cache_name_function($function = 'md5')
        {
                if (is_callable($function))
                {
                        $this->cache_name_function = $function;
                }
        }

        public function set_javascript($get = 'js')
        {
                if ($get)
                {
                        $this->javascript = (string) $get;
                }
                else
                {
                        $this->javascript = false;
                }
        }

        public function set_stupidly_fast($set = false)
        {
                if ($set)
                {
                        $this->enable_order_by_date(false);
                        $this->remove_div(false);
                        $this->strip_comments(false);
                        $this->strip_htmltags(false);
                        $this->strip_attributes(false);
                        $this->set_image_handler(false);
                }
        }

        public function set_max_checked_feeds($max = 10)
        {
                $this->max_checked_feeds = (int) $max;
        }

        public function remove_div($enable = true)
        {
                $this->sanitize->remove_div($enable);
        }

        public function strip_htmltags($tags = '', $encode = null)
        {
                if ($tags === '')
                {
                        $tags = $this->strip_htmltags;
                }
                $this->sanitize->strip_htmltags($tags);
                if ($encode !== null)
                {
                        $this->sanitize->encode_instead_of_strip($tags);
                }
        }

        public function encode_instead_of_strip($enable = true)
        {
                $this->sanitize->encode_instead_of_strip($enable);
        }

        public function strip_attributes($attribs = '')
        {
                if ($attribs === '')
                {
                        $attribs = $this->strip_attributes;
                }
                $this->sanitize->strip_attributes($attribs);
        }

        public function set_output_encoding($encoding = 'UTF-8')
        {
                $this->sanitize->set_output_encoding($encoding);
        }

        public function strip_comments($strip = false)
        {
                $this->sanitize->strip_comments($strip);
        }

        public function set_url_replacements($element_attribute = array('a' => 'href', 'area' => 'href', 'blockquote' => 'cite', 'del' => 'cite', 'form' => 'action', 'img' => array('longdesc', 'src'), 'input' => 'src', 'ins' => 'cite', 'q' => 'cite'))
        {
                $this->sanitize->set_url_replacements($element_attribute);
        }

        public function set_image_handler($page = false, $qs = 'i')
        {
                if ($page !== false)
                {
                        $this->sanitize->set_image_handler($page . '?' . $qs . '=');
                }
                else
                {
                        $this->image_handler = '';
                }
        }

        public function set_item_limit($limit = 0)
        {
                $this->item_limit = (int) $limit;
        }

        public function init()
        {
                // Check absolute bare minimum requirements.
                if ((function_exists('version_compare') && version_compare(PHP_VERSION, '5.0', '<')) || !extension_loaded('xml') || !extension_loaded('pcre'))
                {
                        return false;
                }
                // Then check the xml extension is sane (i.e., libxml 2.7.x issue on PHP < 5.2.9 and libxml 2.7.0 to 2.7.2 on any version) if we don't have xmlreader.
                elseif (!extension_loaded('xmlreader'))
                {
                        static $xml_is_sane = null;
                        if ($xml_is_sane === null)
                        {
                                $parser_check = xml_parser_create();
                                xml_parse_into_struct($parser_check, '<foo>&amp;</foo>', $values);
                                xml_parser_free($parser_check);
                                $xml_is_sane = isset($values[0]['value']);
                        }
                        if (!$xml_is_sane)
                        {
                                return false;
                        }
                }

                if (isset($_GET[$this->javascript]))
                {
                        SimplePie_Misc::output_javascript();
                        exit;
                }

                // Pass whatever was set with config options over to the sanitizer.
                $this->sanitize->pass_cache_data($this->cache, $this->cache_location, $this->cache_name_function, $this->cache_class);
                $this->sanitize->pass_file_data($this->file_class, $this->timeout, $this->useragent, $this->force_fsockopen);

                if ($this->feed_url !== null || $this->raw_data !== null)
                {
                        $this->error = null;
                        $this->data = array();
                        $this->multifeed_objects = array();
                        $cache = false;

                        if ($this->feed_url !== null)
                        {
                                $parsed_feed_url = SimplePie_Misc::parse_url($this->feed_url);
                                // Decide whether to enable caching
                                if ($this->cache && $parsed_feed_url['scheme'] !== '')
                                {
                                        $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, call_user_func($this->cache_name_function, $this->feed_url), 'spc');
                                }
                                // If it's enabled and we don't want an XML dump, use the cache
                                if ($cache && !$this->xml_dump)
                                {
                                        // Load the Cache
                                        $this->data = $cache->load();
                                        if (!empty($this->data))
                                        {
                                                // If the cache is for an outdated build of SimplePie
                                                if (!isset($this->data['build']) || $this->data['build'] !== SIMPLEPIE_BUILD)
                                                {
                                                        $cache->unlink();
                                                        $this->data = array();
                                                }
                                                // If we've hit a collision just rerun it with caching disabled
                                                elseif (isset($this->data['url']) && $this->data['url'] !== $this->feed_url)
                                                {
                                                        $cache = false;
                                                        $this->data = array();
                                                }
                                                // If we've got a non feed_url stored (if the page isn't actually a feed, or is a redirect) use that URL.
                                                elseif (isset($this->data['feed_url']))
                                                {
                                                        // If the autodiscovery cache is still valid use it.
                                                        if ($cache->mtime() + $this->autodiscovery_cache_duration > time())
                                                        {
                                                                // Do not need to do feed autodiscovery yet.
                                                                if ($this->data['feed_url'] === $this->data['url'])
                                                                {
                                                                        $cache->unlink();
                                                                        $this->data = array();
                                                                }
                                                                else
                                                                {
                                                                        $this->set_feed_url($this->data['feed_url']);
                                                                        return $this->init();
                                                                }
                                                        }
                                                }
                                                // Check if the cache has been updated
                                                elseif ($cache->mtime() + $this->cache_duration < time())
                                                {
                                                        // If we have last-modified and/or etag set
                                                        if (isset($this->data['headers']['last-modified']) || isset($this->data['headers']['etag']))
                                                        {
                                                                $headers = array();
                                                                if (isset($this->data['headers']['last-modified']))
                                                                {
                                                                        $headers['if-modified-since'] = $this->data['headers']['last-modified'];
                                                                }
                                                                if (isset($this->data['headers']['etag']))
                                                                {
                                                                        $headers['if-none-match'] = '"' . $this->data['headers']['etag'] . '"';
                                                                }

                                                                $file = new $this->file_class($this->feed_url, $this->timeout/10, 5, $headers, $this->useragent, $this->force_fsockopen);

                                                                if ($file->success)
                                                                {
                                                                        if ($file->status_code === 304)
                                                                        {
                                                                                $cache->touch();
                                                                                return true;
                                                                        }
                                                                        else
                                                                        {
                                                                                $headers = $file->headers;
                                                                        }
                                                                }
                                                                else
                                                                {
                                                                        unset($file);
                                                                }
                                                        }
                                                }
                                                // If the cache is still valid, just return true
                                                else
                                                {
                                                        return true;
                                                }
                                        }
                                        // If the cache is empty, delete it
                                        else
                                        {
                                                $cache->unlink();
                                                $this->data = array();
                                        }
                                }
                                // If we don't already have the file (it'll only exist if we've opened it to check if the cache has been modified), open it.
                                if (!isset($file))
                                {
                                        if (is_a($this->file, 'SimplePie_File') && $this->file->url === $this->feed_url)
                                        {
                                                $file =& $this->file;
                                        }
                                        else
                                        {
                                                $file = new $this->file_class($this->feed_url, $this->timeout, 5, null, $this->useragent, $this->force_fsockopen);
                                        }
                                }
                                // If the file connection has an error, set SimplePie::error to that and quit
                                if (!$file->success && !($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300)))
                                {
                                        $this->error = $file->error;
                                        if (!empty($this->data))
                                        {
                                                return true;
                                        }
                                        else
                                        {
                                                return false;
                                        }
                                }

                                if (!$this->force_feed)
                                {
                                        // Check if the supplied URL is a feed, if it isn't, look for it.
                                        $locate = new $this->locator_class($file, $this->timeout, $this->useragent, $this->file_class, $this->max_checked_feeds, $this->content_type_sniffer_class);

                                        if (!$locate->is_feed($file))
                                        {
                                                // We need to unset this so that if SimplePie::set_file() has been called that object is untouched
                                                unset($file);
                                                if ($file = $locate->find($this->autodiscovery, $this->all_discovered_feeds))
                                                {
                                                        if ($cache)
                                                        {
                                                                $this->data = array('url' => $this->feed_url, 'feed_url' => $file->url, 'build' => SIMPLEPIE_BUILD);
                                                                if (!$cache->save($this))
                                                                {
                                                                        trigger_error("$this->cache_location is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING);
                                                                }
                                                                $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, call_user_func($this->cache_name_function, $file->url), 'spc');
                                                        }
                                                        $this->feed_url = $file->url;
                                                }
                                                else
                                                {
                                                        $this->error = "A feed could not be found at $this->feed_url. A feed with an invalid mime type may fall victim to this error, or " . SIMPLEPIE_NAME . " was unable to auto-discover it.. Use force_feed() if you are certain this URL is a real feed.";
                                                        SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__);
                                                        return false;
                                                }
                                        }
                                        $locate = null;
                                }

                                $headers = $file->headers;
                                $data = $file->body;
                                $sniffer = new $this->content_type_sniffer_class($file);
                                $sniffed = $sniffer->get_type();
                        }
                        else
                        {
                                $data = $this->raw_data;
                        }

                        // Set up array of possible encodings
                        $encodings = array();

                        // First check to see if input has been overridden.
                        if ($this->input_encoding !== false)
                        {
                                $encodings[] = $this->input_encoding;
                        }

                        $application_types = array('application/xml', 'application/xml-dtd', 'application/xml-external-parsed-entity');
                        $text_types = array('text/xml', 'text/xml-external-parsed-entity');

                        // RFC 3023 (only applies to sniffed content)
                        if (isset($sniffed))
                        {
                                if (in_array($sniffed, $application_types) || substr($sniffed, 0, 12) === 'application/' && substr($sniffed, -4) === '+xml')
                                {
                                        if (isset($headers['content-type']) && preg_match('/;\x20?charset=([^;]*)/i', $headers['content-type'], $charset))
                                        {
                                                $encodings[] = strtoupper($charset[1]);
                                        }
                                        $encodings = array_merge($encodings, SimplePie_Misc::xml_encoding($data));
                                        $encodings[] = 'UTF-8';
                                }
                                elseif (in_array($sniffed, $text_types) || substr($sniffed, 0, 5) === 'text/' && substr($sniffed, -4) === '+xml')
                                {
                                        if (isset($headers['content-type']) && preg_match('/;\x20?charset=([^;]*)/i', $headers['content-type'], $charset))
                                        {
                                                $encodings[] = $charset[1];
                                        }
                                        $encodings[] = 'US-ASCII';
                                }
                                // Text MIME-type default
                                elseif (substr($sniffed, 0, 5) === 'text/')
                                {
                                        $encodings[] = 'US-ASCII';
                                }
                        }

                        // Fallback to XML 1.0 Appendix F.1/UTF-8/ISO-8859-1
                        $encodings = array_merge($encodings, SimplePie_Misc::xml_encoding($data));
                        $encodings[] = 'UTF-8';
                        $encodings[] = 'ISO-8859-1';

                        // There's no point in trying an encoding twice
                        $encodings = array_unique($encodings);

                        // If we want the XML, just output that with the most likely encoding and quit
                        if ($this->xml_dump)
                        {
                                header('Content-type: text/xml; charset=' . $encodings[0]);
                                echo $data;
                                exit;
                        }

                        // Loop through each possible encoding, till we return something, or run out of possibilities
                        foreach ($encodings as $encoding)
                        {
                                // Change the encoding to UTF-8 (as we always use UTF-8 internally)
                                if ($utf8_data = SimplePie_Misc::change_encoding($data, $encoding, 'UTF-8'))
                                {
                                        // Create new parser
                                        $parser = new $this->parser_class();

                                        // If it's parsed fine
                                        if ($parser->parse($utf8_data, 'UTF-8'))
                                        {
                                                $this->data = $parser->get_data();
                                                if ($this->get_type() & ~SIMPLEPIE_TYPE_NONE)
                                                {
                                                        if (isset($headers))
                                                        {
                                                                $this->data['headers'] = $headers;
                                                        }
                                                        $this->data['build'] = SIMPLEPIE_BUILD;

                                                        // Cache the file if caching is enabled
                                                        if ($cache && !$cache->save($this))
                                                        {
                                                                trigger_error("$this->cache_location is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING);
                                                        }
                                                        return true;
                                                }
                                                else
                                                {
                                                        $this->error = "A feed could not be found at $this->feed_url. This does not appear to be a valid RSS or Atom feed.";
                                                        SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__);
                                                        return false;
                                                }
                                        }
                                }
                        }

                        if (isset($parser))
                        {
                                // We have an error, just set SimplePie_Misc::error to it and quit
                                $this->error = sprintf('This XML document is invalid, likely due to invalid characters. XML error: %s at line %d, column %d', $parser->get_error_string(), $parser->get_current_line(), $parser->get_current_column());
                        }
                        else
                        {
                                $this->error = 'The data could not be converted to UTF-8. You MUST have either the iconv or mbstring extension installed. Upgrading to PHP 5.x (which includes iconv) is highly recommended.';
                        }

                        SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__);

                        return false;
                }
                elseif (!empty($this->multifeed_url))
                {
                        $i = 0;
                        $success = 0;
                        $this->multifeed_objects = array();
                        foreach ($this->multifeed_url as $url)
                        {
                                $this->multifeed_objects[$i] = clone $this;
                                $this->multifeed_objects[$i]->set_feed_url($url);
                                $success |= $this->multifeed_objects[$i]->init();
                                $i++;
                        }
                        return (bool) $success;
                }
                else
                {
                        return false;
                }
        }

        public function error()
        {
                return $this->error;
        }

        public function get_encoding()
        {
                return $this->sanitize->output_encoding;
        }

        public function handle_content_type($mime = 'text/html')
        {
                if (!headers_sent())
                {
                        $header = "Content-type: $mime;";
                        if ($this->get_encoding())
                        {
                                $header .= ' charset=' . $this->get_encoding();
                        }
                        else
                        {
                                $header .= ' charset=UTF-8';
                        }
                        header($header);
                }
        }

        public function get_type()
        {
                if (!isset($this->data['type']))
                {
                        $this->data['type'] = SIMPLEPIE_TYPE_ALL;
                        if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed']))
                        {
                                $this->data['type'] &= SIMPLEPIE_TYPE_ATOM_10;
                        }
                        elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed']))
                        {
                                $this->data['type'] &= SIMPLEPIE_TYPE_ATOM_03;
                        }
                        elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF']))
                        {
                                if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['channel'])
                                || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['image'])
                                || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item'])
                                || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['textinput']))
                                {
                                        $this->data['type'] &= SIMPLEPIE_TYPE_RSS_10;
                                }
                                if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['channel'])
                                || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['image'])
                                || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item'])
                                || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['textinput']))
                                {
                                        $this->data['type'] &= SIMPLEPIE_TYPE_RSS_090;
                                }
                        }
                        elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss']))
                        {
                                $this->data['type'] &= SIMPLEPIE_TYPE_RSS_ALL;
                                if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['attribs']['']['version']))
                                {
                                        switch (trim($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['attribs']['']['version']))
                                        {
                                                case '0.91':
                                                        $this->data['type'] &= SIMPLEPIE_TYPE_RSS_091;
                                                        if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['skiphours']['hour'][0]['data']))
                                                        {
                                                                switch (trim($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['skiphours']['hour'][0]['data']))
                                                                {
                                                                        case '0':
                                                                                $this->data['type'] &= SIMPLEPIE_TYPE_RSS_091_NETSCAPE;
                                                                                break;

                                                                        case '24':
                                                                                $this->data['type'] &= SIMPLEPIE_TYPE_RSS_091_USERLAND;
                                                                                break;
                                                                }
                                                        }
                                                        break;

                                                case '0.92':
                                                        $this->data['type'] &= SIMPLEPIE_TYPE_RSS_092;
                                                        break;

                                                case '0.93':
                                                        $this->data['type'] &= SIMPLEPIE_TYPE_RSS_093;
                                                        break;

                                                case '0.94':
                                                        $this->data['type'] &= SIMPLEPIE_TYPE_RSS_094;
                                                        break;

                                                case '2.0':
                                                        $this->data['type'] &= SIMPLEPIE_TYPE_RSS_20;
                                                        break;
                                        }
                                }
                        }
                        else
                        {
                                $this->data['type'] = SIMPLEPIE_TYPE_NONE;
                        }
                }
                return $this->data['type'];
        }

        public function subscribe_url()
        {
                if ($this->feed_url !== null)
                {
                        return $this->sanitize($this->feed_url, SIMPLEPIE_CONSTRUCT_IRI);
                }
                else
                {
                        return null;
                }
        }

        public function get_feed_tags($namespace, $tag)
        {
                $type = $this->get_type();
                if ($type & SIMPLEPIE_TYPE_ATOM_10)
                {
                        if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['child'][$namespace][$tag]))
                        {
                                return $this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['child'][$namespace][$tag];
                        }
                }
                if ($type & SIMPLEPIE_TYPE_ATOM_03)
                {
                        if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['child'][$namespace][$tag]))
                        {
                                return $this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['child'][$namespace][$tag];
                        }
                }
                if ($type & SIMPLEPIE_TYPE_RSS_RDF)
                {
                        if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][$namespace][$tag]))
                        {
                                return $this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][$namespace][$tag];
                        }
                }
                if ($type & SIMPLEPIE_TYPE_RSS_SYNDICATION)
                {
                        if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][$namespace][$tag]))
                        {
                                return $this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][$namespace][$tag];
                        }
                }
                return null;
        }

        public function get_channel_tags($namespace, $tag)
        {
                $type = $this->get_type();
                if ($type & SIMPLEPIE_TYPE_ATOM_ALL)
                {
                        if ($return = $this->get_feed_tags($namespace, $tag))
                        {
                                return $return;
                        }
                }
                if ($type & SIMPLEPIE_TYPE_RSS_10)
                {
                        if ($channel = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'channel'))
                        {
                                if (isset($channel[0]['child'][$namespace][$tag]))
                                {
                                        return $channel[0]['child'][$namespace][$tag];
                                }
                        }
                }
                if ($type & SIMPLEPIE_TYPE_RSS_090)
                {
                        if ($channel = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'channel'))
                        {
                                if (isset($channel[0]['child'][$namespace][$tag]))
                                {
                                        return $channel[0]['child'][$namespace][$tag];
                                }
                        }
                }
                if ($type & SIMPLEPIE_TYPE_RSS_SYNDICATION)
                {
                        if ($channel = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'channel'))
                        {
                                if (isset($channel[0]['child'][$namespace][$tag]))
                                {
                                        return $channel[0]['child'][$namespace][$tag];
                                }
                        }
                }
                return null;
        }

        public function get_image_tags($namespace, $tag)
        {
                $type = $this->get_type();
                if ($type & SIMPLEPIE_TYPE_RSS_10)
                {
                        if ($image = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'image'))
                        {
                                if (isset($image[0]['child'][$namespace][$tag]))
                                {
                                        return $image[0]['child'][$namespace][$tag];
                                }
                        }
                }
                if ($type & SIMPLEPIE_TYPE_RSS_090)
                {
                        if ($image = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'image'))
                        {
                                if (isset($image[0]['child'][$namespace][$tag]))
                                {
                                        return $image[0]['child'][$namespace][$tag];
                                }
                        }
                }
                if ($type & SIMPLEPIE_TYPE_RSS_SYNDICATION)
                {
                        if ($image = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'image'))
                        {
                                if (isset($image[0]['child'][$namespace][$tag]))
                                {
                                        return $image[0]['child'][$namespace][$tag];
                                }
                        }
                }
                return null;
        }

        public function get_base($element = array())
        {
                if (!($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION) && !empty($element['xml_base_explicit']) && isset($element['xml_base']))
                {
                        return $element['xml_base'];
                }
                elseif ($this->get_link() !== null)
                {
                        return $this->get_link();
                }
                else
                {
                        return $this->subscribe_url();
                }
        }

        public function sanitize($data, $type, $base = '')
        {
                return $this->sanitize->sanitize($data, $type, $base);
        }

        public function get_title()
        {
                if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title'))
                {
                        return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title'))
                {
                        return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                else
                {
                        return null;
                }
        }

        public function get_category($key = 0)
        {
                $categories = $this->get_categories();
                if (isset($categories[$key]))
                {
                        return $categories[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_categories()
        {
                $categories = array();

                foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category)
                {
                        $term = null;
                        $scheme = null;
                        $label = null;
                        if (isset($category['attribs']['']['term']))
                        {
                                $term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if (isset($category['attribs']['']['scheme']))
                        {
                                $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if (isset($category['attribs']['']['label']))
                        {
                                $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        $categories[] = new $this->category_class($term, $scheme, $label);
                }
                foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category)
                {
                        // This is really the label, but keep this as the term also for BC.
                        // Label will also work on retrieving because that falls back to term.
                        $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        if (isset($category['attribs']['']['domain']))
                        {
                                $scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        else
                        {
                                $scheme = null;
                        }
                        $categories[] = new $this->category_class($term, $scheme, null);
                }
                foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category)
                {
                        $categories[] = new $this->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
                }
                foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category)
                {
                        $categories[] = new $this->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
                }

                if (!empty($categories))
                {
                        return SimplePie_Misc::array_unique($categories);
                }
                else
                {
                        return null;
                }
        }

        public function get_author($key = 0)
        {
                $authors = $this->get_authors();
                if (isset($authors[$key]))
                {
                        return $authors[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_authors()
        {
                $authors = array();
                foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author)
                {
                        $name = null;
                        $uri = null;
                        $email = null;
                        if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
                        {
                                $name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
                        {
                                $uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
                        }
                        if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
                        {
                                $email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if ($name !== null || $email !== null || $uri !== null)
                        {
                                $authors[] = new $this->author_class($name, $uri, $email);
                        }
                }
                if ($author = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author'))
                {
                        $name = null;
                        $url = null;
                        $email = null;
                        if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
                        {
                                $name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
                        {
                                $url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
                        }
                        if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
                        {
                                $email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if ($name !== null || $email !== null || $url !== null)
                        {
                                $authors[] = new $this->author_class($name, $url, $email);
                        }
                }
                foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author)
                {
                        $authors[] = new $this->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
                }
                foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author)
                {
                        $authors[] = new $this->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
                }
                foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author)
                {
                        $authors[] = new $this->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
                }

                if (!empty($authors))
                {
                        return SimplePie_Misc::array_unique($authors);
                }
                else
                {
                        return null;
                }
        }

        public function get_contributor($key = 0)
        {
                $contributors = $this->get_contributors();
                if (isset($contributors[$key]))
                {
                        return $contributors[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_contributors()
        {
                $contributors = array();
                foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor)
                {
                        $name = null;
                        $uri = null;
                        $email = null;
                        if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
                        {
                                $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
                        {
                                $uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
                        }
                        if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
                        {
                                $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if ($name !== null || $email !== null || $uri !== null)
                        {
                                $contributors[] = new $this->author_class($name, $uri, $email);
                        }
                }
                foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor)
                {
                        $name = null;
                        $url = null;
                        $email = null;
                        if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
                        {
                                $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
                        {
                                $url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
                        }
                        if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
                        {
                                $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if ($name !== null || $email !== null || $url !== null)
                        {
                                $contributors[] = new $this->author_class($name, $url, $email);
                        }
                }

                if (!empty($contributors))
                {
                        return SimplePie_Misc::array_unique($contributors);
                }
                else
                {
                        return null;
                }
        }

        public function get_link($key = 0, $rel = 'alternate')
        {
                $links = $this->get_links($rel);
                if (isset($links[$key]))
                {
                        return $links[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_permalink()
        {
                return $this->get_link(0);
        }

        public function get_links($rel = 'alternate')
        {
                if (!isset($this->data['links']))
                {
                        $this->data['links'] = array();
                        if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link'))
                        {
                                foreach ($links as $link)
                                {
                                        if (isset($link['attribs']['']['href']))
                                        {
                                                $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
                                                $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
                                        }
                                }
                        }
                        if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link'))
                        {
                                foreach ($links as $link)
                                {
                                        if (isset($link['attribs']['']['href']))
                                        {
                                                $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
                                                $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));

                                        }
                                }
                        }
                        if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
                        {
                                $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
                        }
                        if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
                        {
                                $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
                        }
                        if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link'))
                        {
                                $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
                        }

                        $keys = array_keys($this->data['links']);
                        foreach ($keys as $key)
                        {
                                if (SimplePie_Misc::is_isegment_nz_nc($key))
                                {
                                        if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]))
                                        {
                                                $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]);
                                                $this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key];
                                        }
                                        else
                                        {
                                                $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key];
                                        }
                                }
                                elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY)
                                {
                                        $this->data['links'][substr($key, 41)] =& $this->data['links'][$key];
                                }
                                $this->data['links'][$key] = array_unique($this->data['links'][$key]);
                        }
                }

                if (isset($this->data['links'][$rel]))
                {
                        return $this->data['links'][$rel];
                }
                else
                {
                        return null;
                }
        }

        public function get_all_discovered_feeds()
        {
                return $this->all_discovered_feeds;
        }

        public function get_description()
        {
                if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'subtitle'))
                {
                        return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'tagline'))
                {
                        return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
                }
                else
                {
                        return null;
                }
        }

        public function get_copyright()
        {
                if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights'))
                {
                        return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'copyright'))
                {
                        return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'copyright'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                else
                {
                        return null;
                }
        }

        public function get_language()
        {
                if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'language'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'language'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'language'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['xml_lang']))
                {
                        return $this->sanitize($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['xml_lang']))
                {
                        return $this->sanitize($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['xml_lang']))
                {
                        return $this->sanitize($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif (isset($this->data['headers']['content-language']))
                {
                        return $this->sanitize($this->data['headers']['content-language'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                else
                {
                        return null;
                }
        }

        public function get_latitude()
        {

                if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat'))
                {
                        return (float) $return[0]['data'];
                }
                elseif (($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
                {
                        return (float) $match[1];
                }
                else
                {
                        return null;
                }
        }

        public function get_longitude()
        {
                if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long'))
                {
                        return (float) $return[0]['data'];
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon'))
                {
                        return (float) $return[0]['data'];
                }
                elseif (($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
                {
                        return (float) $match[2];
                }
                else
                {
                        return null;
                }
        }

        public function get_image_title()
        {
                if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                else
                {
                        return null;
                }
        }

        public function get_image_url()
        {
                if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'image'))
                {
                        return $this->sanitize($return[0]['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI);
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'logo'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'url'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'url'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'url'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
                }
                else
                {
                        return null;
                }
        }

        public function get_image_link()
        {
                if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
                }
                else
                {
                        return null;
                }
        }

        public function get_image_width()
        {
                if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'width'))
                {
                        return round($return[0]['data']);
                }
                elseif ($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION && $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'url'))
                {
                        return 88.0;
                }
                else
                {
                        return null;
                }
        }

        public function get_image_height()
        {
                if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'height'))
                {
                        return round($return[0]['data']);
                }
                elseif ($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION && $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'url'))
                {
                        return 31.0;
                }
                else
                {
                        return null;
                }
        }

        public function get_item_quantity($max = 0)
        {
                $max = (int) $max;
                $qty = count($this->get_items());
                if ($max === 0)
                {
                        return $qty;
                }
                else
                {
                        return ($qty > $max) ? $max : $qty;
                }
        }

        public function get_item($key = 0)
        {
                $items = $this->get_items();
                if (isset($items[$key]))
                {
                        return $items[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_items($start = 0, $end = 0)
        {
                if (!isset($this->data['items']))
                {
                        if (!empty($this->multifeed_objects))
                        {
                                $this->data['items'] = SimplePie::merge_items($this->multifeed_objects, $start, $end, $this->item_limit);
                        }
                        else
                        {
                                $this->data['items'] = array();
                                if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'entry'))
                                {
                                        $keys = array_keys($items);
                                        foreach ($keys as $key)
                                        {
                                                $this->data['items'][] = new $this->item_class($this, $items[$key]);
                                        }
                                }
                                if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'entry'))
                                {
                                        $keys = array_keys($items);
                                        foreach ($keys as $key)
                                        {
                                                $this->data['items'][] = new $this->item_class($this, $items[$key]);
                                        }
                                }
                                if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'item'))
                                {
                                        $keys = array_keys($items);
                                        foreach ($keys as $key)
                                        {
                                                $this->data['items'][] = new $this->item_class($this, $items[$key]);
                                        }
                                }
                                if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'item'))
                                {
                                        $keys = array_keys($items);
                                        foreach ($keys as $key)
                                        {
                                                $this->data['items'][] = new $this->item_class($this, $items[$key]);
                                        }
                                }
                                if ($items = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'item'))
                                {
                                        $keys = array_keys($items);
                                        foreach ($keys as $key)
                                        {
                                                $this->data['items'][] = new $this->item_class($this, $items[$key]);
                                        }
                                }
                        }
                }

                if (!empty($this->data['items']))
                {
                        // If we want to order it by date, check if all items have a date, and then sort it
                        if ($this->order_by_date && empty($this->multifeed_objects))
                        {
                                if (!isset($this->data['ordered_items']))
                                {
                                        $do_sort = true;
                                        foreach ($this->data['items'] as $item)
                                        {
                                                if (!$item->get_date('U'))
                                                {
                                                        $do_sort = false;
                                                        break;
                                                }
                                        }
                                        $item = null;
                                        $this->data['ordered_items'] = $this->data['items'];
                                        if ($do_sort)
                                        {
                                                usort($this->data['ordered_items'], array(&$this, 'sort_items'));
                                        }
                                }
                                $items = $this->data['ordered_items'];
                        }
                        else
                        {
                                $items = $this->data['items'];
                        }

                        // Slice the data as desired
                        if ($end === 0)
                        {
                                return array_slice($items, $start);
                        }
                        else
                        {
                                return array_slice($items, $start, $end);
                        }
                }
                else
                {
                        return array();
                }
        }

        public function sort_items($a, $b)
        {
                return $a->get_date('U') <= $b->get_date('U');
        }

        public function merge_items($urls, $start = 0, $end = 0, $limit = 0)
        {
                if (is_array($urls) && sizeof($urls) > 0)
                {
                        $items = array();
                        foreach ($urls as $arg)
                        {
                                if (is_a($arg, 'SimplePie'))
                                {
                                        $items = array_merge($items, $arg->get_items(0, $limit));
                                }
                                else
                                {
                                        trigger_error('Arguments must be SimplePie objects', E_USER_WARNING);
                                }
                        }

                        $do_sort = true;
                        foreach ($items as $item)
                        {
                                if (!$item->get_date('U'))
                                {
                                        $do_sort = false;
                                        break;
                                }
                        }
                        $item = null;
                        if ($do_sort)
                        {
                                usort($items, array('SimplePie', 'sort_items'));
                        }

                        if ($end === 0)
                        {
                                return array_slice($items, $start);
                        }
                        else
                        {
                                return array_slice($items, $start, $end);
                        }
                }
                else
                {
                        trigger_error('Cannot merge zero SimplePie objects', E_USER_WARNING);
                        return array();
                }
        }
}

class SimplePie_Item
{
        var $feed;
        var $data = array();

        public function __construct($feed, $data)
        {
                $this->feed = $feed;
                $this->data = $data;
        }

        public function __toString()
        {
                return md5(serialize($this->data));
        }

        public function __destruct()
        {
                if ((version_compare(PHP_VERSION, '5.3', '<') || !gc_enabled()) && !ini_get('zend.ze1_compatibility_mode'))
                {
                        unset($this->feed);
                }
        }

        public function get_item_tags($namespace, $tag)
        {
                if (isset($this->data['child'][$namespace][$tag]))
                {
                        return $this->data['child'][$namespace][$tag];
                }
                else
                {
                        return null;
                }
        }

        public function get_base($element = array())
        {
                return $this->feed->get_base($element);
        }

        public function sanitize($data, $type, $base = '')
        {
                return $this->feed->sanitize($data, $type, $base);
        }

        public function get_feed()
        {
                return $this->feed;
        }

        public function get_id($hash = false)
        {
                if (!$hash)
                {
                        if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'id'))
                        {
                                return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'id'))
                        {
                                return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'guid'))
                        {
                                return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'identifier'))
                        {
                                return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'identifier'))
                        {
                                return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        elseif (($return = $this->get_permalink()) !== null)
                        {
                                return $return;
                        }
                        elseif (($return = $this->get_title()) !== null)
                        {
                                return $return;
                        }
                }
                if ($this->get_permalink() !== null || $this->get_title() !== null)
                {
                        return md5($this->get_permalink() . $this->get_title());
                }
                else
                {
                        return md5(serialize($this->data));
                }
        }

        public function get_title()
        {
                if (!isset($this->data['title']))
                {
                        if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title'))
                        {
                                $this->data['title'] = $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
                        }
                        elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title'))
                        {
                                $this->data['title'] = $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
                        }
                        elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
                        {
                                $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
                        }
                        elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
                        {
                                $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
                        }
                        elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
                        {
                                $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
                        }
                        elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
                        {
                                $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
                        {
                                $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        else
                        {
                                $this->data['title'] = null;
                        }
                }
                return $this->data['title'];
        }

        public function get_description($description_only = false)
        {
                if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'summary'))
                {
                        return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
                }
                elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'summary'))
                {
                        return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
                }
                elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML);
                }

                elseif (!$description_only)
                {
                        return $this->get_content(true);
                }
                else
                {
                        return null;
                }
        }

        public function get_content($content_only = false)
        {
                if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'content'))
                {
                        return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_content_construct_type($return[0]['attribs']), $this->get_base($return[0]));
                }
                elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'content'))
                {
                        return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
                }
                elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10_MODULES_CONTENT, 'encoded'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
                }
                elseif (!$content_only)
                {
                        return $this->get_description(true);
                }
                else
                {
                        return null;
                }
        }

        public function get_category($key = 0)
        {
                $categories = $this->get_categories();
                if (isset($categories[$key]))
                {
                        return $categories[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_categories()
        {
                $categories = array();

                foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category)
                {
                        $term = null;
                        $scheme = null;
                        $label = null;
                        if (isset($category['attribs']['']['term']))
                        {
                                $term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if (isset($category['attribs']['']['scheme']))
                        {
                                $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if (isset($category['attribs']['']['label']))
                        {
                                $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        $categories[] = new $this->feed->category_class($term, $scheme, $label);
                }
                foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category)
                {
                        // This is really the label, but keep this as the term also for BC.
                        // Label will also work on retrieving because that falls back to term.
                        $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        if (isset($category['attribs']['']['domain']))
                        {
                                $scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        else
                        {
                                $scheme = null;
                        }
                        $categories[] = new $this->feed->category_class($term, $scheme, null);
                }
                foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category)
                {
                        $categories[] = new $this->feed->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
                }
                foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category)
                {
                        $categories[] = new $this->feed->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
                }

                if (!empty($categories))
                {
                        return SimplePie_Misc::array_unique($categories);
                }
                else
                {
                        return null;
                }
        }

        public function get_author($key = 0)
        {
                $authors = $this->get_authors();
                if (isset($authors[$key]))
                {
                        return $authors[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_contributor($key = 0)
        {
                $contributors = $this->get_contributors();
                if (isset($contributors[$key]))
                {
                        return $contributors[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_contributors()
        {
                $contributors = array();
                foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor)
                {
                        $name = null;
                        $uri = null;
                        $email = null;
                        if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
                        {
                                $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
                        {
                                $uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
                        }
                        if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
                        {
                                $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if ($name !== null || $email !== null || $uri !== null)
                        {
                                $contributors[] = new $this->feed->author_class($name, $uri, $email);
                        }
                }
                foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor)
                {
                        $name = null;
                        $url = null;
                        $email = null;
                        if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
                        {
                                $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
                        {
                                $url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
                        }
                        if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
                        {
                                $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if ($name !== null || $email !== null || $url !== null)
                        {
                                $contributors[] = new $this->feed->author_class($name, $url, $email);
                        }
                }

                if (!empty($contributors))
                {
                        return SimplePie_Misc::array_unique($contributors);
                }
                else
                {
                        return null;
                }
        }

        public function get_authors()
        {
                $authors = array();
                foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author)
                {
                        $name = null;
                        $uri = null;
                        $email = null;
                        if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
                        {
                                $name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
                        {
                                $uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
                        }
                        if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
                        {
                                $email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if ($name !== null || $email !== null || $uri !== null)
                        {
                                $authors[] = new $this->feed->author_class($name, $uri, $email);
                        }
                }
                if ($author = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author'))
                {
                        $name = null;
                        $url = null;
                        $email = null;
                        if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
                        {
                                $name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
                        {
                                $url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
                        }
                        if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
                        {
                                $email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if ($name !== null || $email !== null || $url !== null)
                        {
                                $authors[] = new $this->feed->author_class($name, $url, $email);
                        }
                }
                if ($author = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'author'))
                {
                        $authors[] = new $this->feed->author_class(null, null, $this->sanitize($author[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
                }
                foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author)
                {
                        $authors[] = new $this->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
                }
                foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author)
                {
                        $authors[] = new $this->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
                }
                foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author)
                {
                        $authors[] = new $this->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
                }

                if (!empty($authors))
                {
                        return SimplePie_Misc::array_unique($authors);
                }
                elseif (($source = $this->get_source()) && ($authors = $source->get_authors()))
                {
                        return $authors;
                }
                elseif ($authors = $this->feed->get_authors())
                {
                        return $authors;
                }
                else
                {
                        return null;
                }
        }

        public function get_copyright()
        {
                if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights'))
                {
                        return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
                }
                elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                else
                {
                        return null;
                }
        }

        public function get_date($date_format = 'j F Y, g:i a')
        {
                if (!isset($this->data['date']))
                {
                        if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'published'))
                        {
                                $this->data['date']['raw'] = $return[0]['data'];
                        }
                        elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'updated'))
                        {
                                $this->data['date']['raw'] = $return[0]['data'];
                        }
                        elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'issued'))
                        {
                                $this->data['date']['raw'] = $return[0]['data'];
                        }
                        elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'created'))
                        {
                                $this->data['date']['raw'] = $return[0]['data'];
                        }
                        elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'modified'))
                        {
                                $this->data['date']['raw'] = $return[0]['data'];
                        }
                        elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'pubDate'))
                        {
                                $this->data['date']['raw'] = $return[0]['data'];
                        }
                        elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'date'))
                        {
                                $this->data['date']['raw'] = $return[0]['data'];
                        }
                        elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'date'))
                        {
                                $this->data['date']['raw'] = $return[0]['data'];
                        }

                        if (!empty($this->data['date']['raw']))
                        {
                                $parser = SimplePie_Parse_Date::get();
                                $this->data['date']['parsed'] = $parser->parse($this->data['date']['raw']);
                        }
                        else
                        {
                                $this->data['date'] = null;
                        }
                }
                if ($this->data['date'])
                {
                        $date_format = (string) $date_format;
                        switch ($date_format)
                        {
                                case '':
                                        return $this->sanitize($this->data['date']['raw'], SIMPLEPIE_CONSTRUCT_TEXT);

                                case 'U':
                                        return $this->data['date']['parsed'];

                                default:
                                        return date($date_format, $this->data['date']['parsed']);
                        }
                }
                else
                {
                        return null;
                }
        }

        public function get_local_date($date_format = '%c')
        {
                if (!$date_format)
                {
                        return $this->sanitize($this->get_date(''), SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif (($date = $this->get_date('U')) !== null && $date !== false)
                {
                        return strftime($date_format, $date);
                }
                else
                {
                        return null;
                }
        }

        public function get_permalink()
        {
                $link = $this->get_link();
                $enclosure = $this->get_enclosure(0);
                if ($link !== null)
                {
                        return $link;
                }
                elseif ($enclosure !== null)
                {
                        return $enclosure->get_link();
                }
                else
                {
                        return null;
                }
        }

        public function get_link($key = 0, $rel = 'alternate')
        {
                $links = $this->get_links($rel);
                if ($links[$key] !== null)
                {
                        return $links[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_links($rel = 'alternate')
        {
                if (!isset($this->data['links']))
                {
                        $this->data['links'] = array();
                        foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link') as $link)
                        {
                                if (isset($link['attribs']['']['href']))
                                {
                                        $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
                                        $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));

                                }
                        }
                        foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link') as $link)
                        {
                                if (isset($link['attribs']['']['href']))
                                {
                                        $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
                                        $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
                                }
                        }
                        if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
                        {
                                $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
                        }
                        if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
                        {
                                $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
                        }
                        if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link'))
                        {
                                $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
                        }
                        if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'guid'))
                        {
                                if (!isset($links[0]['attribs']['']['isPermaLink']) || strtolower(trim($links[0]['attribs']['']['isPermaLink'])) === 'true')
                                {
                                        $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
                                }
                        }

                        $keys = array_keys($this->data['links']);
                        foreach ($keys as $key)
                        {
                                if (SimplePie_Misc::is_isegment_nz_nc($key))
                                {
                                        if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]))
                                        {
                                                $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]);
                                                $this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key];
                                        }
                                        else
                                        {
                                                $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key];
                                        }
                                }
                                elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY)
                                {
                                        $this->data['links'][substr($key, 41)] =& $this->data['links'][$key];
                                }
                                $this->data['links'][$key] = array_unique($this->data['links'][$key]);
                        }
                }
                if (isset($this->data['links'][$rel]))
                {
                        return $this->data['links'][$rel];
                }
                else
                {
                        return null;
                }
        }

        public function get_enclosure($key = 0, $prefer = null)
        {
                $enclosures = $this->get_enclosures();
                if (isset($enclosures[$key]))
                {
                        return $enclosures[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_enclosures()
        {
                if (!isset($this->data['enclosures']))
                {
                        $this->data['enclosures'] = array();

                        // Elements
                        $captions_parent = null;
                        $categories_parent = null;
                        $copyrights_parent = null;
                        $credits_parent = null;
                        $description_parent = null;
                        $duration_parent = null;
                        $hashes_parent = null;
                        $keywords_parent = null;
                        $player_parent = null;
                        $ratings_parent = null;
                        $restrictions_parent = null;
                        $thumbnails_parent = null;
                        $title_parent = null;

                        // Let's do the channel and item-level ones first, and just re-use them if we need to.
                        $parent = $this->get_feed();

                        // CAPTIONS
                        if ($captions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'text'))
                        {
                                foreach ($captions as $caption)
                                {
                                        $caption_type = null;
                                        $caption_lang = null;
                                        $caption_startTime = null;
                                        $caption_endTime = null;
                                        $caption_text = null;
                                        if (isset($caption['attribs']['']['type']))
                                        {
                                                $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        if (isset($caption['attribs']['']['lang']))
                                        {
                                                $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        if (isset($caption['attribs']['']['start']))
                                        {
                                                $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        if (isset($caption['attribs']['']['end']))
                                        {
                                                $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        if (isset($caption['data']))
                                        {
                                                $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        $captions_parent[] = new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text);
                                }
                        }
                        elseif ($captions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'text'))
                        {
                                foreach ($captions as $caption)
                                {
                                        $caption_type = null;
                                        $caption_lang = null;
                                        $caption_startTime = null;
                                        $caption_endTime = null;
                                        $caption_text = null;
                                        if (isset($caption['attribs']['']['type']))
                                        {
                                                $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        if (isset($caption['attribs']['']['lang']))
                                        {
                                                $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        if (isset($caption['attribs']['']['start']))
                                        {
                                                $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        if (isset($caption['attribs']['']['end']))
                                        {
                                                $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        if (isset($caption['data']))
                                        {
                                                $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        $captions_parent[] = new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text);
                                }
                        }
                        if (is_array($captions_parent))
                        {
                                $captions_parent = array_values(SimplePie_Misc::array_unique($captions_parent));
                        }

                        // CATEGORIES
                        foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'category') as $category)
                        {
                                $term = null;
                                $scheme = null;
                                $label = null;
                                if (isset($category['data']))
                                {
                                        $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                }
                                if (isset($category['attribs']['']['scheme']))
                                {
                                        $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
                                }
                                else
                                {
                                        $scheme = 'http://search.yahoo.com/mrss/category_schema';
                                }
                                if (isset($category['attribs']['']['label']))
                                {
                                        $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
                                }
                                $categories_parent[] = new $this->feed->category_class($term, $scheme, $label);
                        }
                        foreach ((array) $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'category') as $category)
                        {
                                $term = null;
                                $scheme = null;
                                $label = null;
                                if (isset($category['data']))
                                {
                                        $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                }
                                if (isset($category['attribs']['']['scheme']))
                                {
                                        $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
                                }
                                else
                                {
                                        $scheme = 'http://search.yahoo.com/mrss/category_schema';
                                }
                                if (isset($category['attribs']['']['label']))
                                {
                                        $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
                                }
                                $categories_parent[] = new $this->feed->category_class($term, $scheme, $label);
                        }
                        foreach ((array) $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'category') as $category)
                        {
                                $term = null;
                                $scheme = 'http://www.itunes.com/dtds/podcast-1.0.dtd';
                                $label = null;
                                if (isset($category['attribs']['']['text']))
                                {
                                        $label = $this->sanitize($category['attribs']['']['text'], SIMPLEPIE_CONSTRUCT_TEXT);
                                }
                                $categories_parent[] = new $this->feed->category_class($term, $scheme, $label);

                                if (isset($category['child'][SIMPLEPIE_NAMESPACE_ITUNES]['category']))
                                {
                                        foreach ((array) $category['child'][SIMPLEPIE_NAMESPACE_ITUNES]['category'] as $subcategory)
                                        {
                                                if (isset($subcategory['attribs']['']['text']))
                                                {
                                                        $label = $this->sanitize($subcategory['attribs']['']['text'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                }
                                                $categories_parent[] = new $this->feed->category_class($term, $scheme, $label);
                                        }
                                }
                        }
                        if (is_array($categories_parent))
                        {
                                $categories_parent = array_values(SimplePie_Misc::array_unique($categories_parent));
                        }

                        // COPYRIGHT
                        if ($copyright = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'copyright'))
                        {
                                $copyright_url = null;
                                $copyright_label = null;
                                if (isset($copyright[0]['attribs']['']['url']))
                                {
                                        $copyright_url = $this->sanitize($copyright[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
                                }
                                if (isset($copyright[0]['data']))
                                {
                                        $copyright_label = $this->sanitize($copyright[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                }
                                $copyrights_parent = new $this->feed->copyright_class($copyright_url, $copyright_label);
                        }
                        elseif ($copyright = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'copyright'))
                        {
                                $copyright_url = null;
                                $copyright_label = null;
                                if (isset($copyright[0]['attribs']['']['url']))
                                {
                                        $copyright_url = $this->sanitize($copyright[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
                                }
                                if (isset($copyright[0]['data']))
                                {
                                        $copyright_label = $this->sanitize($copyright[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                }
                                $copyrights_parent = new $this->feed->copyright_class($copyright_url, $copyright_label);
                        }

                        // CREDITS
                        if ($credits = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'credit'))
                        {
                                foreach ($credits as $credit)
                                {
                                        $credit_role = null;
                                        $credit_scheme = null;
                                        $credit_name = null;
                                        if (isset($credit['attribs']['']['role']))
                                        {
                                                $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        if (isset($credit['attribs']['']['scheme']))
                                        {
                                                $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        else
                                        {
                                                $credit_scheme = 'urn:ebu';
                                        }
                                        if (isset($credit['data']))
                                        {
                                                $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        $credits_parent[] = new $this->feed->credit_class($credit_role, $credit_scheme, $credit_name);
                                }
                        }
                        elseif ($credits = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'credit'))
                        {
                                foreach ($credits as $credit)
                                {
                                        $credit_role = null;
                                        $credit_scheme = null;
                                        $credit_name = null;
                                        if (isset($credit['attribs']['']['role']))
                                        {
                                                $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        if (isset($credit['attribs']['']['scheme']))
                                        {
                                                $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        else
                                        {
                                                $credit_scheme = 'urn:ebu';
                                        }
                                        if (isset($credit['data']))
                                        {
                                                $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        $credits_parent[] = new $this->feed->credit_class($credit_role, $credit_scheme, $credit_name);
                                }
                        }
                        if (is_array($credits_parent))
                        {
                                $credits_parent = array_values(SimplePie_Misc::array_unique($credits_parent));
                        }

                        // DESCRIPTION
                        if ($description_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'description'))
                        {
                                if (isset($description_parent[0]['data']))
                                {
                                        $description_parent = $this->sanitize($description_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                }
                        }
                        elseif ($description_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'description'))
                        {
                                if (isset($description_parent[0]['data']))
                                {
                                        $description_parent = $this->sanitize($description_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                }
                        }

                        // DURATION
                        if ($duration_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'duration'))
                        {
                                $seconds = null;
                                $minutes = null;
                                $hours = null;
                                if (isset($duration_parent[0]['data']))
                                {
                                        $temp = explode(':', $this->sanitize($duration_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
                                        if (sizeof($temp) > 0)
                                        {
                                                $seconds = (int) array_pop($temp);
                                        }
                                        if (sizeof($temp) > 0)
                                        {
                                                $minutes = (int) array_pop($temp);
                                                $seconds += $minutes * 60;
                                        }
                                        if (sizeof($temp) > 0)
                                        {
                                                $hours = (int) array_pop($temp);
                                                $seconds += $hours * 3600;
                                        }
                                        unset($temp);
                                        $duration_parent = $seconds;
                                }
                        }

                        // HASHES
                        if ($hashes_iterator = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'hash'))
                        {
                                foreach ($hashes_iterator as $hash)
                                {
                                        $value = null;
                                        $algo = null;
                                        if (isset($hash['data']))
                                        {
                                                $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        if (isset($hash['attribs']['']['algo']))
                                        {
                                                $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        else
                                        {
                                                $algo = 'md5';
                                        }
                                        $hashes_parent[] = $algo.':'.$value;
                                }
                        }
                        elseif ($hashes_iterator = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'hash'))
                        {
                                foreach ($hashes_iterator as $hash)
                                {
                                        $value = null;
                                        $algo = null;
                                        if (isset($hash['data']))
                                        {
                                                $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        if (isset($hash['attribs']['']['algo']))
                                        {
                                                $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        else
                                        {
                                                $algo = 'md5';
                                        }
                                        $hashes_parent[] = $algo.':'.$value;
                                }
                        }
                        if (is_array($hashes_parent))
                        {
                                $hashes_parent = array_values(SimplePie_Misc::array_unique($hashes_parent));
                        }

                        // KEYWORDS
                        if ($keywords = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'keywords'))
                        {
                                if (isset($keywords[0]['data']))
                                {
                                        $temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
                                        foreach ($temp as $word)
                                        {
                                                $keywords_parent[] = trim($word);
                                        }
                                }
                                unset($temp);
                        }
                        elseif ($keywords = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'keywords'))
                        {
                                if (isset($keywords[0]['data']))
                                {
                                        $temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
                                        foreach ($temp as $word)
                                        {
                                                $keywords_parent[] = trim($word);
                                        }
                                }
                                unset($temp);
                        }
                        elseif ($keywords = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'keywords'))
                        {
                                if (isset($keywords[0]['data']))
                                {
                                        $temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
                                        foreach ($temp as $word)
                                        {
                                                $keywords_parent[] = trim($word);
                                        }
                                }
                                unset($temp);
                        }
                        elseif ($keywords = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'keywords'))
                        {
                                if (isset($keywords[0]['data']))
                                {
                                        $temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
                                        foreach ($temp as $word)
                                        {
                                                $keywords_parent[] = trim($word);
                                        }
                                }
                                unset($temp);
                        }
                        if (is_array($keywords_parent))
                        {
                                $keywords_parent = array_values(SimplePie_Misc::array_unique($keywords_parent));
                        }

                        // PLAYER
                        if ($player_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'player'))
                        {
                                if (isset($player_parent[0]['attribs']['']['url']))
                                {
                                        $player_parent = $this->sanitize($player_parent[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
                                }
                        }
                        elseif ($player_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'player'))
                        {
                                if (isset($player_parent[0]['attribs']['']['url']))
                                {
                                        $player_parent = $this->sanitize($player_parent[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
                                }
                        }

                        // RATINGS
                        if ($ratings = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'rating'))
                        {
                                foreach ($ratings as $rating)
                                {
                                        $rating_scheme = null;
                                        $rating_value = null;
                                        if (isset($rating['attribs']['']['scheme']))
                                        {
                                                $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        else
                                        {
                                                $rating_scheme = 'urn:simple';
                                        }
                                        if (isset($rating['data']))
                                        {
                                                $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        $ratings_parent[] = new $this->feed->rating_class($rating_scheme, $rating_value);
                                }
                        }
                        elseif ($ratings = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'explicit'))
                        {
                                foreach ($ratings as $rating)
                                {
                                        $rating_scheme = 'urn:itunes';
                                        $rating_value = null;
                                        if (isset($rating['data']))
                                        {
                                                $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        $ratings_parent[] = new $this->feed->rating_class($rating_scheme, $rating_value);
                                }
                        }
                        elseif ($ratings = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'rating'))
                        {
                                foreach ($ratings as $rating)
                                {
                                        $rating_scheme = null;
                                        $rating_value = null;
                                        if (isset($rating['attribs']['']['scheme']))
                                        {
                                                $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        else
                                        {
                                                $rating_scheme = 'urn:simple';
                                        }
                                        if (isset($rating['data']))
                                        {
                                                $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        $ratings_parent[] = new $this->feed->rating_class($rating_scheme, $rating_value);
                                }
                        }
                        elseif ($ratings = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'explicit'))
                        {
                                foreach ($ratings as $rating)
                                {
                                        $rating_scheme = 'urn:itunes';
                                        $rating_value = null;
                                        if (isset($rating['data']))
                                        {
                                                $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        $ratings_parent[] = new $this->feed->rating_class($rating_scheme, $rating_value);
                                }
                        }
                        if (is_array($ratings_parent))
                        {
                                $ratings_parent = array_values(SimplePie_Misc::array_unique($ratings_parent));
                        }

                        // RESTRICTIONS
                        if ($restrictions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'restriction'))
                        {
                                foreach ($restrictions as $restriction)
                                {
                                        $restriction_relationship = null;
                                        $restriction_type = null;
                                        $restriction_value = null;
                                        if (isset($restriction['attribs']['']['relationship']))
                                        {
                                                $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        if (isset($restriction['attribs']['']['type']))
                                        {
                                                $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        if (isset($restriction['data']))
                                        {
                                                $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        $restrictions_parent[] = new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value);
                                }
                        }
                        elseif ($restrictions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'block'))
                        {
                                foreach ($restrictions as $restriction)
                                {
                                        $restriction_relationship = 'allow';
                                        $restriction_type = null;
                                        $restriction_value = 'itunes';
                                        if (isset($restriction['data']) && strtolower($restriction['data']) === 'yes')
                                        {
                                                $restriction_relationship = 'deny';
                                        }
                                        $restrictions_parent[] = new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value);
                                }
                        }
                        elseif ($restrictions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'restriction'))
                        {
                                foreach ($restrictions as $restriction)
                                {
                                        $restriction_relationship = null;
                                        $restriction_type = null;
                                        $restriction_value = null;
                                        if (isset($restriction['attribs']['']['relationship']))
                                        {
                                                $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        if (isset($restriction['attribs']['']['type']))
                                        {
                                                $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        if (isset($restriction['data']))
                                        {
                                                $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        $restrictions_parent[] = new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value);
                                }
                        }
                        elseif ($restrictions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'block'))
                        {
                                foreach ($restrictions as $restriction)
                                {
                                        $restriction_relationship = 'allow';
                                        $restriction_type = null;
                                        $restriction_value = 'itunes';
                                        if (isset($restriction['data']) && strtolower($restriction['data']) === 'yes')
                                        {
                                                $restriction_relationship = 'deny';
                                        }
                                        $restrictions_parent[] = new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value);
                                }
                        }
                        if (is_array($restrictions_parent))
                        {
                                $restrictions_parent = array_values(SimplePie_Misc::array_unique($restrictions_parent));
                        }

                        // THUMBNAILS
                        if ($thumbnails = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'thumbnail'))
                        {
                                foreach ($thumbnails as $thumbnail)
                                {
                                        if (isset($thumbnail['attribs']['']['url']))
                                        {
                                                $thumbnails_parent[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
                                        }
                                }
                        }
                        elseif ($thumbnails = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'thumbnail'))
                        {
                                foreach ($thumbnails as $thumbnail)
                                {
                                        if (isset($thumbnail['attribs']['']['url']))
                                        {
                                                $thumbnails_parent[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
                                        }
                                }
                        }

                        // TITLES
                        if ($title_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'title'))
                        {
                                if (isset($title_parent[0]['data']))
                                {
                                        $title_parent = $this->sanitize($title_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                }
                        }
                        elseif ($title_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'title'))
                        {
                                if (isset($title_parent[0]['data']))
                                {
                                        $title_parent = $this->sanitize($title_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                }
                        }

                        // Clear the memory
                        unset($parent);

                        // Attributes
                        $bitrate = null;
                        $channels = null;
                        $duration = null;
                        $expression = null;
                        $framerate = null;
                        $height = null;
                        $javascript = null;
                        $lang = null;
                        $length = null;
                        $medium = null;
                        $samplingrate = null;
                        $type = null;
                        $url = null;
                        $width = null;

                        // Elements
                        $captions = null;
                        $categories = null;
                        $copyrights = null;
                        $credits = null;
                        $description = null;
                        $hashes = null;
                        $keywords = null;
                        $player = null;
                        $ratings = null;
                        $restrictions = null;
                        $thumbnails = null;
                        $title = null;

                        // If we have media:group tags, loop through them.
                        foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'group') as $group)
                        {
                                if(isset($group['child']) && isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content']))
                                {
                                        // If we have media:content tags, loop through them.
                                        foreach ((array) $group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'] as $content)
                                        {
                                                if (isset($content['attribs']['']['url']))
                                                {
                                                        // Attributes
                                                        $bitrate = null;
                                                        $channels = null;
                                                        $duration = null;
                                                        $expression = null;
                                                        $framerate = null;
                                                        $height = null;
                                                        $javascript = null;
                                                        $lang = null;
                                                        $length = null;
                                                        $medium = null;
                                                        $samplingrate = null;
                                                        $type = null;
                                                        $url = null;
                                                        $width = null;

                                                        // Elements
                                                        $captions = null;
                                                        $categories = null;
                                                        $copyrights = null;
                                                        $credits = null;
                                                        $description = null;
                                                        $hashes = null;
                                                        $keywords = null;
                                                        $player = null;
                                                        $ratings = null;
                                                        $restrictions = null;
                                                        $thumbnails = null;
                                                        $title = null;

                                                        // Start checking the attributes of media:content
                                                        if (isset($content['attribs']['']['bitrate']))
                                                        {
                                                                $bitrate = $this->sanitize($content['attribs']['']['bitrate'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                        }
                                                        if (isset($content['attribs']['']['channels']))
                                                        {
                                                                $channels = $this->sanitize($content['attribs']['']['channels'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                        }
                                                        if (isset($content['attribs']['']['duration']))
                                                        {
                                                                $duration = $this->sanitize($content['attribs']['']['duration'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                        }
                                                        else
                                                        {
                                                                $duration = $duration_parent;
                                                        }
                                                        if (isset($content['attribs']['']['expression']))
                                                        {
                                                                $expression = $this->sanitize($content['attribs']['']['expression'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                        }
                                                        if (isset($content['attribs']['']['framerate']))
                                                        {
                                                                $framerate = $this->sanitize($content['attribs']['']['framerate'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                        }
                                                        if (isset($content['attribs']['']['height']))
                                                        {
                                                                $height = $this->sanitize($content['attribs']['']['height'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                        }
                                                        if (isset($content['attribs']['']['lang']))
                                                        {
                                                                $lang = $this->sanitize($content['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                        }
                                                        if (isset($content['attribs']['']['fileSize']))
                                                        {
                                                                $length = ceil($content['attribs']['']['fileSize']);
                                                        }
                                                        if (isset($content['attribs']['']['medium']))
                                                        {
                                                                $medium = $this->sanitize($content['attribs']['']['medium'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                        }
                                                        if (isset($content['attribs']['']['samplingrate']))
                                                        {
                                                                $samplingrate = $this->sanitize($content['attribs']['']['samplingrate'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                        }
                                                        if (isset($content['attribs']['']['type']))
                                                        {
                                                                $type = $this->sanitize($content['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                        }
                                                        if (isset($content['attribs']['']['width']))
                                                        {
                                                                $width = $this->sanitize($content['attribs']['']['width'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                        }
                                                        $url = $this->sanitize($content['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);

                                                        // Checking the other optional media: elements. Priority: media:content, media:group, item, channel

                                                        // CAPTIONS
                                                        if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text']))
                                                        {
                                                                foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption)
                                                                {
                                                                        $caption_type = null;
                                                                        $caption_lang = null;
                                                                        $caption_startTime = null;
                                                                        $caption_endTime = null;
                                                                        $caption_text = null;
                                                                        if (isset($caption['attribs']['']['type']))
                                                                        {
                                                                                $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        if (isset($caption['attribs']['']['lang']))
                                                                        {
                                                                                $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        if (isset($caption['attribs']['']['start']))
                                                                        {
                                                                                $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        if (isset($caption['attribs']['']['end']))
                                                                        {
                                                                                $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        if (isset($caption['data']))
                                                                        {
                                                                                $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        $captions[] = new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text);
                                                                }
                                                                if (is_array($captions))
                                                                {
                                                                        $captions = array_values(SimplePie_Misc::array_unique($captions));
                                                                }
                                                        }
                                                        elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text']))
                                                        {
                                                                foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption)
                                                                {
                                                                        $caption_type = null;
                                                                        $caption_lang = null;
                                                                        $caption_startTime = null;
                                                                        $caption_endTime = null;
                                                                        $caption_text = null;
                                                                        if (isset($caption['attribs']['']['type']))
                                                                        {
                                                                                $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        if (isset($caption['attribs']['']['lang']))
                                                                        {
                                                                                $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        if (isset($caption['attribs']['']['start']))
                                                                        {
                                                                                $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        if (isset($caption['attribs']['']['end']))
                                                                        {
                                                                                $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        if (isset($caption['data']))
                                                                        {
                                                                                $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        $captions[] = new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text);
                                                                }
                                                                if (is_array($captions))
                                                                {
                                                                        $captions = array_values(SimplePie_Misc::array_unique($captions));
                                                                }
                                                        }
                                                        else
                                                        {
                                                                $captions = $captions_parent;
                                                        }

                                                        // CATEGORIES
                                                        if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category']))
                                                        {
                                                                foreach ((array) $content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category)
                                                                {
                                                                        $term = null;
                                                                        $scheme = null;
                                                                        $label = null;
                                                                        if (isset($category['data']))
                                                                        {
                                                                                $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        if (isset($category['attribs']['']['scheme']))
                                                                        {
                                                                                $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        else
                                                                        {
                                                                                $scheme = 'http://search.yahoo.com/mrss/category_schema';
                                                                        }
                                                                        if (isset($category['attribs']['']['label']))
                                                                        {
                                                                                $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        $categories[] = new $this->feed->category_class($term, $scheme, $label);
                                                                }
                                                        }
                                                        if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category']))
                                                        {
                                                                foreach ((array) $group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category)
                                                                {
                                                                        $term = null;
                                                                        $scheme = null;
                                                                        $label = null;
                                                                        if (isset($category['data']))
                                                                        {
                                                                                $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        if (isset($category['attribs']['']['scheme']))
                                                                        {
                                                                                $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        else
                                                                        {
                                                                                $scheme = 'http://search.yahoo.com/mrss/category_schema';
                                                                        }
                                                                        if (isset($category['attribs']['']['label']))
                                                                        {
                                                                                $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        $categories[] = new $this->feed->category_class($term, $scheme, $label);
                                                                }
                                                        }
                                                        if (is_array($categories) && is_array($categories_parent))
                                                        {
                                                                $categories = array_values(SimplePie_Misc::array_unique(array_merge($categories, $categories_parent)));
                                                        }
                                                        elseif (is_array($categories))
                                                        {
                                                                $categories = array_values(SimplePie_Misc::array_unique($categories));
                                                        }
                                                        elseif (is_array($categories_parent))
                                                        {
                                                                $categories = array_values(SimplePie_Misc::array_unique($categories_parent));
                                                        }

                                                        // COPYRIGHTS
                                                        if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright']))
                                                        {
                                                                $copyright_url = null;
                                                                $copyright_label = null;
                                                                if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url']))
                                                                {
                                                                        $copyright_url = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data']))
                                                                {
                                                                        $copyright_label = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                $copyrights = new $this->feed->copyright_class($copyright_url, $copyright_label);
                                                        }
                                                        elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright']))
                                                        {
                                                                $copyright_url = null;
                                                                $copyright_label = null;
                                                                if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url']))
                                                                {
                                                                        $copyright_url = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data']))
                                                                {
                                                                        $copyright_label = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                $copyrights = new $this->feed->copyright_class($copyright_url, $copyright_label);
                                                        }
                                                        else
                                                        {
                                                                $copyrights = $copyrights_parent;
                                                        }

                                                        // CREDITS
                                                        if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit']))
                                                        {
                                                                foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit)
                                                                {
                                                                        $credit_role = null;
                                                                        $credit_scheme = null;
                                                                        $credit_name = null;
                                                                        if (isset($credit['attribs']['']['role']))
                                                                        {
                                                                                $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        if (isset($credit['attribs']['']['scheme']))
                                                                        {
                                                                                $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        else
                                                                        {
                                                                                $credit_scheme = 'urn:ebu';
                                                                        }
                                                                        if (isset($credit['data']))
                                                                        {
                                                                                $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        $credits[] = new $this->feed->credit_class($credit_role, $credit_scheme, $credit_name);
                                                                }
                                                                if (is_array($credits))
                                                                {
                                                                        $credits = array_values(SimplePie_Misc::array_unique($credits));
                                                                }
                                                        }
                                                        elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit']))
                                                        {
                                                                foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit)
                                                                {
                                                                        $credit_role = null;
                                                                        $credit_scheme = null;
                                                                        $credit_name = null;
                                                                        if (isset($credit['attribs']['']['role']))
                                                                        {
                                                                                $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        if (isset($credit['attribs']['']['scheme']))
                                                                        {
                                                                                $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        else
                                                                        {
                                                                                $credit_scheme = 'urn:ebu';
                                                                        }
                                                                        if (isset($credit['data']))
                                                                        {
                                                                                $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        $credits[] = new $this->feed->credit_class($credit_role, $credit_scheme, $credit_name);
                                                                }
                                                                if (is_array($credits))
                                                                {
                                                                        $credits = array_values(SimplePie_Misc::array_unique($credits));
                                                                }
                                                        }
                                                        else
                                                        {
                                                                $credits = $credits_parent;
                                                        }

                                                        // DESCRIPTION
                                                        if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description']))
                                                        {
                                                                $description = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                        }
                                                        elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description']))
                                                        {
                                                                $description = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                        }
                                                        else
                                                        {
                                                                $description = $description_parent;
                                                        }

                                                        // HASHES
                                                        if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash']))
                                                        {
                                                                foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash)
                                                                {
                                                                        $value = null;
                                                                        $algo = null;
                                                                        if (isset($hash['data']))
                                                                        {
                                                                                $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        if (isset($hash['attribs']['']['algo']))
                                                                        {
                                                                                $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        else
                                                                        {
                                                                                $algo = 'md5';
                                                                        }
                                                                        $hashes[] = $algo.':'.$value;
                                                                }
                                                                if (is_array($hashes))
                                                                {
                                                                        $hashes = array_values(SimplePie_Misc::array_unique($hashes));
                                                                }
                                                        }
                                                        elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash']))
                                                        {
                                                                foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash)
                                                                {
                                                                        $value = null;
                                                                        $algo = null;
                                                                        if (isset($hash['data']))
                                                                        {
                                                                                $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        if (isset($hash['attribs']['']['algo']))
                                                                        {
                                                                                $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        else
                                                                        {
                                                                                $algo = 'md5';
                                                                        }
                                                                        $hashes[] = $algo.':'.$value;
                                                                }
                                                                if (is_array($hashes))
                                                                {
                                                                        $hashes = array_values(SimplePie_Misc::array_unique($hashes));
                                                                }
                                                        }
                                                        else
                                                        {
                                                                $hashes = $hashes_parent;
                                                        }

                                                        // KEYWORDS
                                                        if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords']))
                                                        {
                                                                if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data']))
                                                                {
                                                                        $temp = explode(',', $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
                                                                        foreach ($temp as $word)
                                                                        {
                                                                                $keywords[] = trim($word);
                                                                        }
                                                                        unset($temp);
                                                                }
                                                                if (is_array($keywords))
                                                                {
                                                                        $keywords = array_values(SimplePie_Misc::array_unique($keywords));
                                                                }
                                                        }
                                                        elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords']))
                                                        {
                                                                if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data']))
                                                                {
                                                                        $temp = explode(',', $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
                                                                        foreach ($temp as $word)
                                                                        {
                                                                                $keywords[] = trim($word);
                                                                        }
                                                                        unset($temp);
                                                                }
                                                                if (is_array($keywords))
                                                                {
                                                                        $keywords = array_values(SimplePie_Misc::array_unique($keywords));
                                                                }
                                                        }
                                                        else
                                                        {
                                                                $keywords = $keywords_parent;
                                                        }

                                                        // PLAYER
                                                        if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player']))
                                                        {
                                                                $player = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
                                                        }
                                                        elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player']))
                                                        {
                                                                $player = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
                                                        }
                                                        else
                                                        {
                                                                $player = $player_parent;
                                                        }

                                                        // RATINGS
                                                        if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating']))
                                                        {
                                                                foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating)
                                                                {
                                                                        $rating_scheme = null;
                                                                        $rating_value = null;
                                                                        if (isset($rating['attribs']['']['scheme']))
                                                                        {
                                                                                $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        else
                                                                        {
                                                                                $rating_scheme = 'urn:simple';
                                                                        }
                                                                        if (isset($rating['data']))
                                                                        {
                                                                                $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        $ratings[] = new $this->feed->rating_class($rating_scheme, $rating_value);
                                                                }
                                                                if (is_array($ratings))
                                                                {
                                                                        $ratings = array_values(SimplePie_Misc::array_unique($ratings));
                                                                }
                                                        }
                                                        elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating']))
                                                        {
                                                                foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating)
                                                                {
                                                                        $rating_scheme = null;
                                                                        $rating_value = null;
                                                                        if (isset($rating['attribs']['']['scheme']))
                                                                        {
                                                                                $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        else
                                                                        {
                                                                                $rating_scheme = 'urn:simple';
                                                                        }
                                                                        if (isset($rating['data']))
                                                                        {
                                                                                $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        $ratings[] = new $this->feed->rating_class($rating_scheme, $rating_value);
                                                                }
                                                                if (is_array($ratings))
                                                                {
                                                                        $ratings = array_values(SimplePie_Misc::array_unique($ratings));
                                                                }
                                                        }
                                                        else
                                                        {
                                                                $ratings = $ratings_parent;
                                                        }

                                                        // RESTRICTIONS
                                                        if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction']))
                                                        {
                                                                foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction)
                                                                {
                                                                        $restriction_relationship = null;
                                                                        $restriction_type = null;
                                                                        $restriction_value = null;
                                                                        if (isset($restriction['attribs']['']['relationship']))
                                                                        {
                                                                                $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        if (isset($restriction['attribs']['']['type']))
                                                                        {
                                                                                $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        if (isset($restriction['data']))
                                                                        {
                                                                                $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        $restrictions[] = new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value);
                                                                }
                                                                if (is_array($restrictions))
                                                                {
                                                                        $restrictions = array_values(SimplePie_Misc::array_unique($restrictions));
                                                                }
                                                        }
                                                        elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction']))
                                                        {
                                                                foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction)
                                                                {
                                                                        $restriction_relationship = null;
                                                                        $restriction_type = null;
                                                                        $restriction_value = null;
                                                                        if (isset($restriction['attribs']['']['relationship']))
                                                                        {
                                                                                $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        if (isset($restriction['attribs']['']['type']))
                                                                        {
                                                                                $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        if (isset($restriction['data']))
                                                                        {
                                                                                $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                        }
                                                                        $restrictions[] = new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value);
                                                                }
                                                                if (is_array($restrictions))
                                                                {
                                                                        $restrictions = array_values(SimplePie_Misc::array_unique($restrictions));
                                                                }
                                                        }
                                                        else
                                                        {
                                                                $restrictions = $restrictions_parent;
                                                        }

                                                        // THUMBNAILS
                                                        if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail']))
                                                        {
                                                                foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail)
                                                                {
                                                                        $thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
                                                                }
                                                                if (is_array($thumbnails))
                                                                {
                                                                        $thumbnails = array_values(SimplePie_Misc::array_unique($thumbnails));
                                                                }
                                                        }
                                                        elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail']))
                                                        {
                                                                foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail)
                                                                {
                                                                        $thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
                                                                }
                                                                if (is_array($thumbnails))
                                                                {
                                                                        $thumbnails = array_values(SimplePie_Misc::array_unique($thumbnails));
                                                                }
                                                        }
                                                        else
                                                        {
                                                                $thumbnails = $thumbnails_parent;
                                                        }

                                                        // TITLES
                                                        if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title']))
                                                        {
                                                                $title = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                        }
                                                        elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title']))
                                                        {
                                                                $title = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                        }
                                                        else
                                                        {
                                                                $title = $title_parent;
                                                        }

                                                        $this->data['enclosures'][] = new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions, $categories, $channels, $copyrights, $credits, $description, $duration, $expression, $framerate, $hashes, $height, $keywords, $lang, $medium, $player, $ratings, $restrictions, $samplingrate, $thumbnails, $title, $width);
                                                }
                                        }
                                }
                        }

                        // If we have standalone media:content tags, loop through them.
                        if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content']))
                        {
                                foreach ((array) $this->data['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'] as $content)
                                {
                                        if (isset($content['attribs']['']['url']) || isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player']))
                                        {
                                                // Attributes
                                                $bitrate = null;
                                                $channels = null;
                                                $duration = null;
                                                $expression = null;
                                                $framerate = null;
                                                $height = null;
                                                $javascript = null;
                                                $lang = null;
                                                $length = null;
                                                $medium = null;
                                                $samplingrate = null;
                                                $type = null;
                                                $url = null;
                                                $width = null;

                                                // Elements
                                                $captions = null;
                                                $categories = null;
                                                $copyrights = null;
                                                $credits = null;
                                                $description = null;
                                                $hashes = null;
                                                $keywords = null;
                                                $player = null;
                                                $ratings = null;
                                                $restrictions = null;
                                                $thumbnails = null;
                                                $title = null;

                                                // Start checking the attributes of media:content
                                                if (isset($content['attribs']['']['bitrate']))
                                                {
                                                        $bitrate = $this->sanitize($content['attribs']['']['bitrate'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                }
                                                if (isset($content['attribs']['']['channels']))
                                                {
                                                        $channels = $this->sanitize($content['attribs']['']['channels'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                }
                                                if (isset($content['attribs']['']['duration']))
                                                {
                                                        $duration = $this->sanitize($content['attribs']['']['duration'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                }
                                                else
                                                {
                                                        $duration = $duration_parent;
                                                }
                                                if (isset($content['attribs']['']['expression']))
                                                {
                                                        $expression = $this->sanitize($content['attribs']['']['expression'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                }
                                                if (isset($content['attribs']['']['framerate']))
                                                {
                                                        $framerate = $this->sanitize($content['attribs']['']['framerate'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                }
                                                if (isset($content['attribs']['']['height']))
                                                {
                                                        $height = $this->sanitize($content['attribs']['']['height'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                }
                                                if (isset($content['attribs']['']['lang']))
                                                {
                                                        $lang = $this->sanitize($content['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                }
                                                if (isset($content['attribs']['']['fileSize']))
                                                {
                                                        $length = ceil($content['attribs']['']['fileSize']);
                                                }
                                                if (isset($content['attribs']['']['medium']))
                                                {
                                                        $medium = $this->sanitize($content['attribs']['']['medium'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                }
                                                if (isset($content['attribs']['']['samplingrate']))
                                                {
                                                        $samplingrate = $this->sanitize($content['attribs']['']['samplingrate'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                }
                                                if (isset($content['attribs']['']['type']))
                                                {
                                                        $type = $this->sanitize($content['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                }
                                                if (isset($content['attribs']['']['width']))
                                                {
                                                        $width = $this->sanitize($content['attribs']['']['width'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                }
                                                if (isset($content['attribs']['']['url']))
                                                {
                                                        $url = $this->sanitize($content['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
                                                }
                                                // Checking the other optional media: elements. Priority: media:content, media:group, item, channel

                                                // CAPTIONS
                                                if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text']))
                                                {
                                                        foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption)
                                                        {
                                                                $caption_type = null;
                                                                $caption_lang = null;
                                                                $caption_startTime = null;
                                                                $caption_endTime = null;
                                                                $caption_text = null;
                                                                if (isset($caption['attribs']['']['type']))
                                                                {
                                                                        $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                if (isset($caption['attribs']['']['lang']))
                                                                {
                                                                        $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                if (isset($caption['attribs']['']['start']))
                                                                {
                                                                        $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                if (isset($caption['attribs']['']['end']))
                                                                {
                                                                        $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                if (isset($caption['data']))
                                                                {
                                                                        $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                $captions[] = new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text);
                                                        }
                                                        if (is_array($captions))
                                                        {
                                                                $captions = array_values(SimplePie_Misc::array_unique($captions));
                                                        }
                                                }
                                                else
                                                {
                                                        $captions = $captions_parent;
                                                }

                                                // CATEGORIES
                                                if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category']))
                                                {
                                                        foreach ((array) $content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category)
                                                        {
                                                                $term = null;
                                                                $scheme = null;
                                                                $label = null;
                                                                if (isset($category['data']))
                                                                {
                                                                        $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                if (isset($category['attribs']['']['scheme']))
                                                                {
                                                                        $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                else
                                                                {
                                                                        $scheme = 'http://search.yahoo.com/mrss/category_schema';
                                                                }
                                                                if (isset($category['attribs']['']['label']))
                                                                {
                                                                        $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                $categories[] = new $this->feed->category_class($term, $scheme, $label);
                                                        }
                                                }
                                                if (is_array($categories) && is_array($categories_parent))
                                                {
                                                        $categories = array_values(SimplePie_Misc::array_unique(array_merge($categories, $categories_parent)));
                                                }
                                                elseif (is_array($categories))
                                                {
                                                        $categories = array_values(SimplePie_Misc::array_unique($categories));
                                                }
                                                elseif (is_array($categories_parent))
                                                {
                                                        $categories = array_values(SimplePie_Misc::array_unique($categories_parent));
                                                }
                                                else
                                                {
                                                        $categories = null;
                                                }

                                                // COPYRIGHTS
                                                if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright']))
                                                {
                                                        $copyright_url = null;
                                                        $copyright_label = null;
                                                        if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url']))
                                                        {
                                                                $copyright_url = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                        }
                                                        if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data']))
                                                        {
                                                                $copyright_label = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                        }
                                                        $copyrights = new $this->feed->copyright_class($copyright_url, $copyright_label);
                                                }
                                                else
                                                {
                                                        $copyrights = $copyrights_parent;
                                                }

                                                // CREDITS
                                                if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit']))
                                                {
                                                        foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit)
                                                        {
                                                                $credit_role = null;
                                                                $credit_scheme = null;
                                                                $credit_name = null;
                                                                if (isset($credit['attribs']['']['role']))
                                                                {
                                                                        $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                if (isset($credit['attribs']['']['scheme']))
                                                                {
                                                                        $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                else
                                                                {
                                                                        $credit_scheme = 'urn:ebu';
                                                                }
                                                                if (isset($credit['data']))
                                                                {
                                                                        $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                $credits[] = new $this->feed->credit_class($credit_role, $credit_scheme, $credit_name);
                                                        }
                                                        if (is_array($credits))
                                                        {
                                                                $credits = array_values(SimplePie_Misc::array_unique($credits));
                                                        }
                                                }
                                                else
                                                {
                                                        $credits = $credits_parent;
                                                }

                                                // DESCRIPTION
                                                if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description']))
                                                {
                                                        $description = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                }
                                                else
                                                {
                                                        $description = $description_parent;
                                                }

                                                // HASHES
                                                if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash']))
                                                {
                                                        foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash)
                                                        {
                                                                $value = null;
                                                                $algo = null;
                                                                if (isset($hash['data']))
                                                                {
                                                                        $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                if (isset($hash['attribs']['']['algo']))
                                                                {
                                                                        $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                else
                                                                {
                                                                        $algo = 'md5';
                                                                }
                                                                $hashes[] = $algo.':'.$value;
                                                        }
                                                        if (is_array($hashes))
                                                        {
                                                                $hashes = array_values(SimplePie_Misc::array_unique($hashes));
                                                        }
                                                }
                                                else
                                                {
                                                        $hashes = $hashes_parent;
                                                }

                                                // KEYWORDS
                                                if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords']))
                                                {
                                                        if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data']))
                                                        {
                                                                $temp = explode(',', $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
                                                                foreach ($temp as $word)
                                                                {
                                                                        $keywords[] = trim($word);
                                                                }
                                                                unset($temp);
                                                        }
                                                        if (is_array($keywords))
                                                        {
                                                                $keywords = array_values(SimplePie_Misc::array_unique($keywords));
                                                        }
                                                }
                                                else
                                                {
                                                        $keywords = $keywords_parent;
                                                }

                                                // PLAYER
                                                if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player']))
                                                {
                                                        $player = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
                                                }
                                                else
                                                {
                                                        $player = $player_parent;
                                                }

                                                // RATINGS
                                                if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating']))
                                                {
                                                        foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating)
                                                        {
                                                                $rating_scheme = null;
                                                                $rating_value = null;
                                                                if (isset($rating['attribs']['']['scheme']))
                                                                {
                                                                        $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                else
                                                                {
                                                                        $rating_scheme = 'urn:simple';
                                                                }
                                                                if (isset($rating['data']))
                                                                {
                                                                        $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                $ratings[] = new $this->feed->rating_class($rating_scheme, $rating_value);
                                                        }
                                                        if (is_array($ratings))
                                                        {
                                                                $ratings = array_values(SimplePie_Misc::array_unique($ratings));
                                                        }
                                                }
                                                else
                                                {
                                                        $ratings = $ratings_parent;
                                                }

                                                // RESTRICTIONS
                                                if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction']))
                                                {
                                                        foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction)
                                                        {
                                                                $restriction_relationship = null;
                                                                $restriction_type = null;
                                                                $restriction_value = null;
                                                                if (isset($restriction['attribs']['']['relationship']))
                                                                {
                                                                        $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                if (isset($restriction['attribs']['']['type']))
                                                                {
                                                                        $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                if (isset($restriction['data']))
                                                                {
                                                                        $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                                }
                                                                $restrictions[] = new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value);
                                                        }
                                                        if (is_array($restrictions))
                                                        {
                                                                $restrictions = array_values(SimplePie_Misc::array_unique($restrictions));
                                                        }
                                                }
                                                else
                                                {
                                                        $restrictions = $restrictions_parent;
                                                }

                                                // THUMBNAILS
                                                if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail']))
                                                {
                                                        foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail)
                                                        {
                                                                $thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
                                                        }
                                                        if (is_array($thumbnails))
                                                        {
                                                                $thumbnails = array_values(SimplePie_Misc::array_unique($thumbnails));
                                                        }
                                                }
                                                else
                                                {
                                                        $thumbnails = $thumbnails_parent;
                                                }

                                                // TITLES
                                                if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title']))
                                                {
                                                        $title = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                                                }
                                                else
                                                {
                                                        $title = $title_parent;
                                                }

                                                $this->data['enclosures'][] = new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions, $categories, $channels, $copyrights, $credits, $description, $duration, $expression, $framerate, $hashes, $height, $keywords, $lang, $medium, $player, $ratings, $restrictions, $samplingrate, $thumbnails, $title, $width);
                                        }
                                }
                        }

                        foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link') as $link)
                        {
                                if (isset($link['attribs']['']['href']) && !empty($link['attribs']['']['rel']) && $link['attribs']['']['rel'] === 'enclosure')
                                {
                                        // Attributes
                                        $bitrate = null;
                                        $channels = null;
                                        $duration = null;
                                        $expression = null;
                                        $framerate = null;
                                        $height = null;
                                        $javascript = null;
                                        $lang = null;
                                        $length = null;
                                        $medium = null;
                                        $samplingrate = null;
                                        $type = null;
                                        $url = null;
                                        $width = null;

                                        $url = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
                                        if (isset($link['attribs']['']['type']))
                                        {
                                                $type = $this->sanitize($link['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        if (isset($link['attribs']['']['length']))
                                        {
                                                $length = ceil($link['attribs']['']['length']);
                                        }

                                        // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor
                                        $this->data['enclosures'][] = new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width);
                                }
                        }

                        foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link') as $link)
                        {
                                if (isset($link['attribs']['']['href']) && !empty($link['attribs']['']['rel']) && $link['attribs']['']['rel'] === 'enclosure')
                                {
                                        // Attributes
                                        $bitrate = null;
                                        $channels = null;
                                        $duration = null;
                                        $expression = null;
                                        $framerate = null;
                                        $height = null;
                                        $javascript = null;
                                        $lang = null;
                                        $length = null;
                                        $medium = null;
                                        $samplingrate = null;
                                        $type = null;
                                        $url = null;
                                        $width = null;

                                        $url = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
                                        if (isset($link['attribs']['']['type']))
                                        {
                                                $type = $this->sanitize($link['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        if (isset($link['attribs']['']['length']))
                                        {
                                                $length = ceil($link['attribs']['']['length']);
                                        }

                                        // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor
                                        $this->data['enclosures'][] = new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width);
                                }
                        }

                        if ($enclosure = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'enclosure'))
                        {
                                if (isset($enclosure[0]['attribs']['']['url']))
                                {
                                        // Attributes
                                        $bitrate = null;
                                        $channels = null;
                                        $duration = null;
                                        $expression = null;
                                        $framerate = null;
                                        $height = null;
                                        $javascript = null;
                                        $lang = null;
                                        $length = null;
                                        $medium = null;
                                        $samplingrate = null;
                                        $type = null;
                                        $url = null;
                                        $width = null;

                                        $url = $this->sanitize($enclosure[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($enclosure[0]));
                                        if (isset($enclosure[0]['attribs']['']['type']))
                                        {
                                                $type = $this->sanitize($enclosure[0]['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
                                        }
                                        if (isset($enclosure[0]['attribs']['']['length']))
                                        {
                                                $length = ceil($enclosure[0]['attribs']['']['length']);
                                        }

                                        // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor
                                        $this->data['enclosures'][] = new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width);
                                }
                        }

                        if (sizeof($this->data['enclosures']) === 0 && ($url || $type || $length || $bitrate || $captions_parent || $categories_parent || $channels || $copyrights_parent || $credits_parent || $description_parent || $duration_parent || $expression || $framerate || $hashes_parent || $height || $keywords_parent || $lang || $medium || $player_parent || $ratings_parent || $restrictions_parent || $samplingrate || $thumbnails_parent || $title_parent || $width))
                        {
                                // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor
                                $this->data['enclosures'][] = new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width);
                        }

                        $this->data['enclosures'] = array_values(SimplePie_Misc::array_unique($this->data['enclosures']));
                }
                if (!empty($this->data['enclosures']))
                {
                        return $this->data['enclosures'];
                }
                else
                {
                        return null;
                }
        }

        public function get_latitude()
        {
                if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat'))
                {
                        return (float) $return[0]['data'];
                }
                elseif (($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
                {
                        return (float) $match[1];
                }
                else
                {
                        return null;
                }
        }

        public function get_longitude()
        {
                if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long'))
                {
                        return (float) $return[0]['data'];
                }
                elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon'))
                {
                        return (float) $return[0]['data'];
                }
                elseif (($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
                {
                        return (float) $match[2];
                }
                else
                {
                        return null;
                }
        }

        public function get_source()
        {
                if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'source'))
                {
                        return new $this->feed->source_class($this, $return[0]);
                }
                else
                {
                        return null;
                }
        }
}

class SimplePie_Source
{
        var $item;
        var $data = array();

        public function __construct($item, $data)
        {
                $this->item = $item;
                $this->data = $data;
        }

        public function __toString()
        {
                return md5(serialize($this->data));
        }

        public function get_source_tags($namespace, $tag)
        {
                if (isset($this->data['child'][$namespace][$tag]))
                {
                        return $this->data['child'][$namespace][$tag];
                }
                else
                {
                        return null;
                }
        }

        public function get_base($element = array())
        {
                return $this->item->get_base($element);
        }

        public function sanitize($data, $type, $base = '')
        {
                return $this->item->sanitize($data, $type, $base);
        }

        public function get_item()
        {
                return $this->item;
        }

        public function get_title()
        {
                if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title'))
                {
                        return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title'))
                {
                        return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                else
                {
                        return null;
                }
        }

        public function get_category($key = 0)
        {
                $categories = $this->get_categories();
                if (isset($categories[$key]))
                {
                        return $categories[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_categories()
        {
                $categories = array();

                foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category)
                {
                        $term = null;
                        $scheme = null;
                        $label = null;
                        if (isset($category['attribs']['']['term']))
                        {
                                $term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if (isset($category['attribs']['']['scheme']))
                        {
                                $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if (isset($category['attribs']['']['label']))
                        {
                                $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        $categories[] = new $this->item->feed->category_class($term, $scheme, $label);
                }
                foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category)
                {
                        // This is really the label, but keep this as the term also for BC.
                        // Label will also work on retrieving because that falls back to term.
                        $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        if (isset($category['attribs']['']['domain']))
                        {
                                $scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        else
                        {
                                $scheme = null;
                        }
                        $categories[] = new $this->item->feed->category_class($term, $scheme, null);
                }
                foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category)
                {
                        $categories[] = new $this->item->feed->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
                }
                foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category)
                {
                        $categories[] = new $this->item->feed->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
                }

                if (!empty($categories))
                {
                        return SimplePie_Misc::array_unique($categories);
                }
                else
                {
                        return null;
                }
        }

        public function get_author($key = 0)
        {
                $authors = $this->get_authors();
                if (isset($authors[$key]))
                {
                        return $authors[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_authors()
        {
                $authors = array();
                foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author)
                {
                        $name = null;
                        $uri = null;
                        $email = null;
                        if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
                        {
                                $name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
                        {
                                $uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
                        }
                        if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
                        {
                                $email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if ($name !== null || $email !== null || $uri !== null)
                        {
                                $authors[] = new $this->item->feed->author_class($name, $uri, $email);
                        }
                }
                if ($author = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author'))
                {
                        $name = null;
                        $url = null;
                        $email = null;
                        if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
                        {
                                $name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
                        {
                                $url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
                        }
                        if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
                        {
                                $email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if ($name !== null || $email !== null || $url !== null)
                        {
                                $authors[] = new $this->item->feed->author_class($name, $url, $email);
                        }
                }
                foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author)
                {
                        $authors[] = new $this->item->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
                }
                foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author)
                {
                        $authors[] = new $this->item->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
                }
                foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author)
                {
                        $authors[] = new $this->item->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
                }

                if (!empty($authors))
                {
                        return SimplePie_Misc::array_unique($authors);
                }
                else
                {
                        return null;
                }
        }

        public function get_contributor($key = 0)
        {
                $contributors = $this->get_contributors();
                if (isset($contributors[$key]))
                {
                        return $contributors[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_contributors()
        {
                $contributors = array();
                foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor)
                {
                        $name = null;
                        $uri = null;
                        $email = null;
                        if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
                        {
                                $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
                        {
                                $uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
                        }
                        if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
                        {
                                $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if ($name !== null || $email !== null || $uri !== null)
                        {
                                $contributors[] = new $this->item->feed->author_class($name, $uri, $email);
                        }
                }
                foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor)
                {
                        $name = null;
                        $url = null;
                        $email = null;
                        if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
                        {
                                $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
                        {
                                $url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
                        }
                        if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
                        {
                                $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                        }
                        if ($name !== null || $email !== null || $url !== null)
                        {
                                $contributors[] = new $this->item->feed->author_class($name, $url, $email);
                        }
                }

                if (!empty($contributors))
                {
                        return SimplePie_Misc::array_unique($contributors);
                }
                else
                {
                        return null;
                }
        }

        public function get_link($key = 0, $rel = 'alternate')
        {
                $links = $this->get_links($rel);
                if (isset($links[$key]))
                {
                        return $links[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_permalink()
        {
                return $this->get_link(0);
        }

        public function get_links($rel = 'alternate')
        {
                if (!isset($this->data['links']))
                {
                        $this->data['links'] = array();
                        if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link'))
                        {
                                foreach ($links as $link)
                                {
                                        if (isset($link['attribs']['']['href']))
                                        {
                                                $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
                                                $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
                                        }
                                }
                        }
                        if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link'))
                        {
                                foreach ($links as $link)
                                {
                                        if (isset($link['attribs']['']['href']))
                                        {
                                                $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
                                                $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));

                                        }
                                }
                        }
                        if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
                        {
                                $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
                        }
                        if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
                        {
                                $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
                        }
                        if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link'))
                        {
                                $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
                        }

                        $keys = array_keys($this->data['links']);
                        foreach ($keys as $key)
                        {
                                if (SimplePie_Misc::is_isegment_nz_nc($key))
                                {
                                        if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]))
                                        {
                                                $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]);
                                                $this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key];
                                        }
                                        else
                                        {
                                                $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key];
                                        }
                                }
                                elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY)
                                {
                                        $this->data['links'][substr($key, 41)] =& $this->data['links'][$key];
                                }
                                $this->data['links'][$key] = array_unique($this->data['links'][$key]);
                        }
                }

                if (isset($this->data['links'][$rel]))
                {
                        return $this->data['links'][$rel];
                }
                else
                {
                        return null;
                }
        }

        public function get_description()
        {
                if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'subtitle'))
                {
                        return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'tagline'))
                {
                        return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
                }
                else
                {
                        return null;
                }
        }

        public function get_copyright()
        {
                if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights'))
                {
                        return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'copyright'))
                {
                        return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'copyright'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                else
                {
                        return null;
                }
        }

        public function get_language()
        {
                if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'language'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'language'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'language'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                elseif (isset($this->data['xml_lang']))
                {
                        return $this->sanitize($this->data['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
                }
                else
                {
                        return null;
                }
        }

        public function get_latitude()
        {
                if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat'))
                {
                        return (float) $return[0]['data'];
                }
                elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
                {
                        return (float) $match[1];
                }
                else
                {
                        return null;
                }
        }

        public function get_longitude()
        {
                if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long'))
                {
                        return (float) $return[0]['data'];
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon'))
                {
                        return (float) $return[0]['data'];
                }
                elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
                {
                        return (float) $match[2];
                }
                else
                {
                        return null;
                }
        }

        public function get_image_url()
        {
                if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'image'))
                {
                        return $this->sanitize($return[0]['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI);
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'logo'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
                }
                elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon'))
                {
                        return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
                }
                else
                {
                        return null;
                }
        }
}

class SimplePie_Author
{
        var $name;
        var $link;
        var $email;

        // Constructor, used to input the data
        public function __construct($name = null, $link = null, $email = null)
        {
                $this->name = $name;
                $this->link = $link;
                $this->email = $email;
        }

        public function __toString()
        {
                // There is no $this->data here
                return md5(serialize($this));
        }

        public function get_name()
        {
                if ($this->name !== null)
                {
                        return $this->name;
                }
                else
                {
                        return null;
                }
        }

        public function get_link()
        {
                if ($this->link !== null)
                {
                        return $this->link;
                }
                else
                {
                        return null;
                }
        }

        public function get_email()
        {
                if ($this->email !== null)
                {
                        return $this->email;
                }
                else
                {
                        return null;
                }
        }
}

class SimplePie_Category
{
        var $term;
        var $scheme;
        var $label;

        // Constructor, used to input the data
        public function __construct($term = null, $scheme = null, $label = null)
        {
                $this->term = $term;
                $this->scheme = $scheme;
                $this->label = $label;
        }

        public function __toString()
        {
                // There is no $this->data here
                return md5(serialize($this));
        }

        public function get_term()
        {
                if ($this->term !== null)
                {
                        return $this->term;
                }
                else
                {
                        return null;
                }
        }

        public function get_scheme()
        {
                if ($this->scheme !== null)
                {
                        return $this->scheme;
                }
                else
                {
                        return null;
                }
        }

        public function get_label()
        {
                if ($this->label !== null)
                {
                        return $this->label;
                }
                else
                {
                        return $this->get_term();
                }
        }
}

class SimplePie_Enclosure
{
        var $bitrate;
        var $captions;
        var $categories;
        var $channels;
        var $copyright;
        var $credits;
        var $description;
        var $duration;
        var $expression;
        var $framerate;
        var $handler;
        var $hashes;
        var $height;
        var $javascript;
        var $keywords;
        var $lang;
        var $length;
        var $link;
        var $medium;
        var $player;
        var $ratings;
        var $restrictions;
        var $samplingrate;
        var $thumbnails;
        var $title;
        var $type;
        var $width;

        // Constructor, used to input the data
        public function __construct($link = null, $type = null, $length = null, $javascript = null, $bitrate = null, $captions = null, $categories = null, $channels = null, $copyright = null, $credits = null, $description = null, $duration = null, $expression = null, $framerate = null, $hashes = null, $height = null, $keywords = null, $lang = null, $medium = null, $player = null, $ratings = null, $restrictions = null, $samplingrate = null, $thumbnails = null, $title = null, $width = null)
        {
                $this->bitrate = $bitrate;
                $this->captions = $captions;
                $this->categories = $categories;
                $this->channels = $channels;
                $this->copyright = $copyright;
                $this->credits = $credits;
                $this->description = $description;
                $this->duration = $duration;
                $this->expression = $expression;
                $this->framerate = $framerate;
                $this->hashes = $hashes;
                $this->height = $height;
                $this->javascript = $javascript;
                $this->keywords = $keywords;
                $this->lang = $lang;
                $this->length = $length;
                $this->link = $link;
                $this->medium = $medium;
                $this->player = $player;
                $this->ratings = $ratings;
                $this->restrictions = $restrictions;
                $this->samplingrate = $samplingrate;
                $this->thumbnails = $thumbnails;
                $this->title = $title;
                $this->type = $type;
                $this->width = $width;

                if (class_exists('idna_convert'))
                {
                        $idn = new idna_convert();
                        $parsed = SimplePie_Misc::parse_url($link);
                        $this->link = SimplePie_Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']);
                }
                $this->handler = $this->get_handler(); // Needs to load last
        }

        public function __toString()
        {
                // There is no $this->data here
                return md5(serialize($this));
        }

        public function get_bitrate()
        {
                if ($this->bitrate !== null)
                {
                        return $this->bitrate;
                }
                else
                {
                        return null;
                }
        }

        public function get_caption($key = 0)
        {
                $captions = $this->get_captions();
                if (isset($captions[$key]))
                {
                        return $captions[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_captions()
        {
                if ($this->captions !== null)
                {
                        return $this->captions;
                }
                else
                {
                        return null;
                }
        }

        public function get_category($key = 0)
        {
                $categories = $this->get_categories();
                if (isset($categories[$key]))
                {
                        return $categories[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_categories()
        {
                if ($this->categories !== null)
                {
                        return $this->categories;
                }
                else
                {
                        return null;
                }
        }

        public function get_channels()
        {
                if ($this->channels !== null)
                {
                        return $this->channels;
                }
                else
                {
                        return null;
                }
        }

        public function get_copyright()
        {
                if ($this->copyright !== null)
                {
                        return $this->copyright;
                }
                else
                {
                        return null;
                }
        }

        public function get_credit($key = 0)
        {
                $credits = $this->get_credits();
                if (isset($credits[$key]))
                {
                        return $credits[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_credits()
        {
                if ($this->credits !== null)
                {
                        return $this->credits;
                }
                else
                {
                        return null;
                }
        }

        public function get_description()
        {
                if ($this->description !== null)
                {
                        return $this->description;
                }
                else
                {
                        return null;
                }
        }

        public function get_duration($convert = false)
        {
                if ($this->duration !== null)
                {
                        if ($convert)
                        {
                                $time = SimplePie_Misc::time_hms($this->duration);
                                return $time;
                        }
                        else
                        {
                                return $this->duration;
                        }
                }
                else
                {
                        return null;
                }
        }

        public function get_expression()
        {
                if ($this->expression !== null)
                {
                        return $this->expression;
                }
                else
                {
                        return 'full';
                }
        }

        public function get_extension()
        {
                if ($this->link !== null)
                {
                        $url = SimplePie_Misc::parse_url($this->link);
                        if ($url['path'] !== '')
                        {
                                return pathinfo($url['path'], PATHINFO_EXTENSION);
                        }
                }
                return null;
        }

        public function get_framerate()
        {
                if ($this->framerate !== null)
                {
                        return $this->framerate;
                }
                else
                {
                        return null;
                }
        }

        public function get_handler()
        {
                return $this->get_real_type(true);
        }

        public function get_hash($key = 0)
        {
                $hashes = $this->get_hashes();
                if (isset($hashes[$key]))
                {
                        return $hashes[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_hashes()
        {
                if ($this->hashes !== null)
                {
                        return $this->hashes;
                }
                else
                {
                        return null;
                }
        }

        public function get_height()
        {
                if ($this->height !== null)
                {
                        return $this->height;
                }
                else
                {
                        return null;
                }
        }

        public function get_language()
        {
                if ($this->lang !== null)
                {
                        return $this->lang;
                }
                else
                {
                        return null;
                }
        }

        public function get_keyword($key = 0)
        {
                $keywords = $this->get_keywords();
                if (isset($keywords[$key]))
                {
                        return $keywords[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_keywords()
        {
                if ($this->keywords !== null)
                {
                        return $this->keywords;
                }
                else
                {
                        return null;
                }
        }

        public function get_length()
        {
                if ($this->length !== null)
                {
                        return $this->length;
                }
                else
                {
                        return null;
                }
        }

        public function get_link()
        {
                if ($this->link !== null)
                {
                        return urldecode($this->link);
                }
                else
                {
                        return null;
                }
        }

        public function get_medium()
        {
                if ($this->medium !== null)
                {
                        return $this->medium;
                }
                else
                {
                        return null;
                }
        }

        public function get_player()
        {
                if ($this->player !== null)
                {
                        return $this->player;
                }
                else
                {
                        return null;
                }
        }

        public function get_rating($key = 0)
        {
                $ratings = $this->get_ratings();
                if (isset($ratings[$key]))
                {
                        return $ratings[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_ratings()
        {
                if ($this->ratings !== null)
                {
                        return $this->ratings;
                }
                else
                {
                        return null;
                }
        }

        public function get_restriction($key = 0)
        {
                $restrictions = $this->get_restrictions();
                if (isset($restrictions[$key]))
                {
                        return $restrictions[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_restrictions()
        {
                if ($this->restrictions !== null)
                {
                        return $this->restrictions;
                }
                else
                {
                        return null;
                }
        }

        public function get_sampling_rate()
        {
                if ($this->samplingrate !== null)
                {
                        return $this->samplingrate;
                }
                else
                {
                        return null;
                }
        }

        public function get_size()
        {
                $length = $this->get_length();
                if ($length !== null)
                {
                        return round($length/1048576, 2);
                }
                else
                {
                        return null;
                }
        }

        public function get_thumbnail($key = 0)
        {
                $thumbnails = $this->get_thumbnails();
                if (isset($thumbnails[$key]))
                {
                        return $thumbnails[$key];
                }
                else
                {
                        return null;
                }
        }

        public function get_thumbnails()
        {
                if ($this->thumbnails !== null)
                {
                        return $this->thumbnails;
                }
                else
                {
                        return null;
                }
        }

        public function get_title()
        {
                if ($this->title !== null)
                {
                        return $this->title;
                }
                else
                {
                        return null;
                }
        }

        public function get_type()
        {
                if ($this->type !== null)
                {
                        return $this->type;
                }
                else
                {
                        return null;
                }
        }

        public function get_width()
        {
                if ($this->width !== null)
                {
                        return $this->width;
                }
                else
                {
                        return null;
                }
        }

        public function native_embed($options='')
        {
                return $this->embed($options, true);
        }

        public function embed($options = '', $native = false)
        {
                // Set up defaults
                $audio = '';
                $video = '';
                $alt = '';
                $altclass = '';
                $loop = 'false';
                $width = 'auto';
                $height = 'auto';
                $bgcolor = '#ffffff';
                $mediaplayer = '';
                $widescreen = false;
                $handler = $this->get_handler();
                $type = $this->get_real_type();

                // Process options and reassign values as necessary
                if (is_array($options))
                {
                        extract($options);
                }
                else
                {
                        $options = explode(',', $options);
                        foreach($options as $option)
                        {
                                $opt = explode(':', $option, 2);
                                if (isset($opt[0], $opt[1]))
                                {
                                        $opt[0] = trim($opt[0]);
                                        $opt[1] = trim($opt[1]);
                                        switch ($opt[0])
                                        {
                                                case 'audio':
                                                        $audio = $opt[1];
                                                        break;

                                                case 'video':
                                                        $video = $opt[1];
                                                        break;

                                                case 'alt':
                                                        $alt = $opt[1];
                                                        break;

                                                case 'altclass':
                                                        $altclass = $opt[1];
                                                        break;

                                                case 'loop':
                                                        $loop = $opt[1];
                                                        break;

                                                case 'width':
                                                        $width = $opt[1];
                                                        break;

                                                case 'height':
                                                        $height = $opt[1];
                                                        break;

                                                case 'bgcolor':
                                                        $bgcolor = $opt[1];
                                                        break;

                                                case 'mediaplayer':
                                                        $mediaplayer = $opt[1];
                                                        break;

                                                case 'widescreen':
                                                        $widescreen = $opt[1];
                                                        break;
                                        }
                                }
                        }
                }

                $mime = explode('/', $type, 2);
                $mime = $mime[0];

                // Process values for 'auto'
                if ($width === 'auto')
                {
                        if ($mime === 'video')
                        {
                                if ($height === 'auto')
                                {
                                        $width = 480;
                                }
                                elseif ($widescreen)
                                {
                                        $width = round((intval($height)/9)*16);
                                }
                                else
                                {
                                        $width = round((intval($height)/3)*4);
                                }
                        }
                        else
                        {
                                $width = '100%';
                        }
                }

                if ($height === 'auto')
                {
                        if ($mime === 'audio')
                        {
                                $height = 0;
                        }
                        elseif ($mime === 'video')
                        {
                                if ($width === 'auto')
                                {
                                        if ($widescreen)
                                        {
                                                $height = 270;
                                        }
                                        else
                                        {
                                                $height = 360;
                                        }
                                }
                                elseif ($widescreen)
                                {
                                        $height = round((intval($width)/16)*9);
                                }
                                else
                                {
                                        $height = round((intval($width)/4)*3);
                                }
                        }
                        else
                        {
                                $height = 376;
                        }
                }
                elseif ($mime === 'audio')
                {
                        $height = 0;
                }

                // Set proper placeholder value
                if ($mime === 'audio')
                {
                        $placeholder = $audio;
                }
                elseif ($mime === 'video')
                {
                        $placeholder = $video;
                }

                $embed = '';

                // Make sure the JS library is included
                if (!$native)
                {
                        static $javascript_outputted = null;
                        if (!$javascript_outputted && $this->javascript)
                        {
                                $embed .= '<script type="text/javascript" src="?' . htmlspecialchars($this->javascript) . '"></script>';
                                $javascript_outputted = true;
                        }
                }

                // Odeo Feed MP3's
                if ($handler === 'odeo')
                {
                        if ($native)
                        {
                                $embed .= '<embed src="http://odeo.com/flash/audio_player_fullsize.swf" pluginspage="http://adobe.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="440" height="80" wmode="transparent" allowScriptAccess="any" flashvars="valid_sample_rate=true&external_url=' . $this->get_link() . '"></embed>';
                        }
                        else
                        {
                                $embed .= '<script type="text/javascript">embed_odeo("' . $this->get_link() . '");</script>';
                        }
                }

                // Flash
                elseif ($handler === 'flash')
                {
                        if ($native)
                        {
                                $embed .= "<embed src=\"" . $this->get_link() . "\" pluginspage=\"http://adobe.com/go/getflashplayer\" type=\"$type\" quality=\"high\" width=\"$width\" height=\"$height\" bgcolor=\"$bgcolor\" loop=\"$loop\"></embed>";
                        }
                        else
                        {
                                $embed .= "<script type='text/javascript'>embed_flash('$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$loop', '$type');</script>";
                        }
                }

                // Flash Media Player file types.
                // Preferred handler for MP3 file types.
                elseif ($handler === 'fmedia' || ($handler === 'mp3' && $mediaplayer !== ''))
                {
                        $height += 20;
                        if ($native)
                        {
                                $embed .= "<embed src=\"$mediaplayer\" pluginspage=\"http://adobe.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" quality=\"high\" width=\"$width\" height=\"$height\" wmode=\"transparent\" flashvars=\"file=" . rawurlencode($this->get_link().'?file_extension=.'.$this->get_extension()) . "&autostart=false&repeat=$loop&showdigits=true&showfsbutton=false\"></embed>";
                        }
                        else
                        {
                                $embed .= "<script type='text/javascript'>embed_flv('$width', '$height', '" . rawurlencode($this->get_link().'?file_extension=.'.$this->get_extension()) . "', '$placeholder', '$loop', '$mediaplayer');</script>";
                        }
                }

                // QuickTime 7 file types.  Need to test with QuickTime 6.
                // Only handle MP3's if the Flash Media Player is not present.
                elseif ($handler === 'quicktime' || ($handler === 'mp3' && $mediaplayer === ''))
                {
                        $height += 16;
                        if ($native)
                        {
                                if ($placeholder !== '')
                                {
                                        $embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" href=\"" . $this->get_link() . "\" src=\"$placeholder\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"false\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\"></embed>";
                                }
                                else
                                {
                                        $embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" src=\"" . $this->get_link() . "\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"true\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\"></embed>";
                                }
                        }
                        else
                        {
                                $embed .= "<script type='text/javascript'>embed_quicktime('$type', '$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$placeholder', '$loop');</script>";
                        }
                }

                // Windows Media
                elseif ($handler === 'wmedia')
                {
                        $height += 45;
                        if ($native)
                        {
                                $embed .= "<embed type=\"application/x-mplayer2\" src=\"" . $this->get_link() . "\" autosize=\"1\" width=\"$width\" height=\"$height\" showcontrols=\"1\" showstatusbar=\"0\" showdisplay=\"0\" autostart=\"0\"></embed>";
                        }
                        else
                        {
                                $embed .= "<script type='text/javascript'>embed_wmedia('$width', '$height', '" . $this->get_link() . "');</script>";
                        }
                }

                // Everything else
                else $embed .= '<a href="' . $this->get_link() . '" class="' . $altclass . '">' . $alt . '</a>';

                return $embed;
        }

        public function get_real_type($find_handler = false)
        {
                // If it's Odeo, let's get it out of the way.
                if (substr(strtolower($this->get_link()), 0, 15) === 'http://odeo.com')
                {
                        return 'odeo';
                }

                // Mime-types by handler.
                $types_flash = array('application/x-shockwave-flash', 'application/futuresplash'); // Flash
                $types_fmedia = array('video/flv', 'video/x-flv','flv-application/octet-stream'); // Flash Media Player
                $types_quicktime = array('audio/3gpp', 'audio/3gpp2', 'audio/aac', 'audio/x-aac', 'audio/aiff', 'audio/x-aiff', 'audio/mid', 'audio/midi', 'audio/x-midi', 'audio/mp4', 'audio/m4a', 'audio/x-m4a', 'audio/wav', 'audio/x-wav', 'video/3gpp', 'video/3gpp2', 'video/m4v', 'video/x-m4v', 'video/mp4', 'video/mpeg', 'video/x-mpeg', 'video/quicktime', 'video/sd-video'); // QuickTime
                $types_wmedia = array('application/asx', 'application/x-mplayer2', 'audio/x-ms-wma', 'audio/x-ms-wax', 'video/x-ms-asf-plugin', 'video/x-ms-asf', 'video/x-ms-wm', 'video/x-ms-wmv', 'video/x-ms-wvx'); // Windows Media
                $types_mp3 = array('audio/mp3', 'audio/x-mp3', 'audio/mpeg', 'audio/x-mpeg'); // MP3

                if ($this->get_type() !== null)
                {
                        $type = strtolower($this->type);
                }
                else
                {
                        $type = null;
                }

                // If we encounter an unsupported mime-type, check the file extension and guess intelligently.
                if (!in_array($type, array_merge($types_flash, $types_fmedia, $types_quicktime, $types_wmedia, $types_mp3)))
                {
                        switch (strtolower($this->get_extension()))
                        {
                                // Audio mime-types
                                case 'aac':
                                case 'adts':
                                        $type = 'audio/acc';
                                        break;

                                case 'aif':
                                case 'aifc':
                                case 'aiff':
                                case 'cdda':
                                        $type = 'audio/aiff';
                                        break;

                                case 'bwf':
                                        $type = 'audio/wav';
                                        break;

                                case 'kar':
                                case 'mid':
                                case 'midi':
                                case 'smf':
                                        $type = 'audio/midi';
                                        break;

                                case 'm4a':
                                        $type = 'audio/x-m4a';
                                        break;

                                case 'mp3':
                                case 'swa':
                                        $type = 'audio/mp3';
                                        break;

                                case 'wav':
                                        $type = 'audio/wav';
                                        break;

                                case 'wax':
                                        $type = 'audio/x-ms-wax';
                                        break;

                                case 'wma':
                                        $type = 'audio/x-ms-wma';
                                        break;

                                // Video mime-types
                                case '3gp':
                                case '3gpp':
                                        $type = 'video/3gpp';
                                        break;

                                case '3g2':
                                case '3gp2':
                                        $type = 'video/3gpp2';
                                        break;

                                case 'asf':
                                        $type = 'video/x-ms-asf';
                                        break;

                                case 'flv':
                                        $type = 'video/x-flv';
                                        break;

                                case 'm1a':
                                case 'm1s':
                                case 'm1v':
                                case 'm15':
                                case 'm75':
                                case 'mp2':
                                case 'mpa':
                                case 'mpeg':
                                case 'mpg':
                                case 'mpm':
                                case 'mpv':
                                        $type = 'video/mpeg';
                                        break;

                                case 'm4v':
                                        $type = 'video/x-m4v';
                                        break;

                                case 'mov':
                                case 'qt':
                                        $type = 'video/quicktime';
                                        break;

                                case 'mp4':
                                case 'mpg4':
                                        $type = 'video/mp4';
                                        break;

                                case 'sdv':
                                        $type = 'video/sd-video';
                                        break;

                                case 'wm':
                                        $type = 'video/x-ms-wm';
                                        break;

                                case 'wmv':
                                        $type = 'video/x-ms-wmv';
                                        break;

                                case 'wvx':
                                        $type = 'video/x-ms-wvx';
                                        break;

                                // Flash mime-types
                                case 'spl':
                                        $type = 'application/futuresplash';
                                        break;

                                case 'swf':
                                        $type = 'application/x-shockwave-flash';
                                        break;
                        }
                }

                if ($find_handler)
                {
                        if (in_array($type, $types_flash))
                        {
                                return 'flash';
                        }
                        elseif (in_array($type, $types_fmedia))
                        {
                                return 'fmedia';
                        }
                        elseif (in_array($type, $types_quicktime))
                        {
                                return 'quicktime';
                        }
                        elseif (in_array($type, $types_wmedia))
                        {
                                return 'wmedia';
                        }
                        elseif (in_array($type, $types_mp3))
                        {
                                return 'mp3';
                        }
                        else
                        {
                                return null;
                        }
                }
                else
                {
                        return $type;
                }
        }
}

class SimplePie_Caption
{
        var $type;
        var $lang;
        var $startTime;
        var $endTime;
        var $text;

        // Constructor, used to input the data
        public function __construct($type = null, $lang = null, $startTime = null, $endTime = null, $text = null)
        {
                $this->type = $type;
                $this->lang = $lang;
                $this->startTime = $startTime;
                $this->endTime = $endTime;
                $this->text = $text;
        }

        public function __toString()
        {
                // There is no $this->data here
                return md5(serialize($this));
        }

        public function get_endtime()
        {
                if ($this->endTime !== null)
                {
                        return $this->endTime;
                }
                else
                {
                        return null;
                }
        }

        public function get_language()
        {
                if ($this->lang !== null)
                {
                        return $this->lang;
                }
                else
                {
                        return null;
                }
        }

        public function get_starttime()
        {
                if ($this->startTime !== null)
                {
                        return $this->startTime;
                }
                else
                {
                        return null;
                }
        }

        public function get_text()
        {
                if ($this->text !== null)
                {
                        return $this->text;
                }
                else
                {
                        return null;
                }
        }

        public function get_type()
        {
                if ($this->type !== null)
                {
                        return $this->type;
                }
                else
                {
                        return null;
                }
        }
}

class SimplePie_Credit
{
        var $role;
        var $scheme;
        var $name;

        // Constructor, used to input the data
        public function __construct($role = null, $scheme = null, $name = null)
        {
                $this->role = $role;
                $this->scheme = $scheme;
                $this->name = $name;
        }

        public function __toString()
        {
                // There is no $this->data here
                return md5(serialize($this));
        }

        public function get_role()
        {
                if ($this->role !== null)
                {
                        return $this->role;
                }
                else
                {
                        return null;
                }
        }

        public function get_scheme()
        {
                if ($this->scheme !== null)
                {
                        return $this->scheme;
                }
                else
                {
                        return null;
                }
        }

        public function get_name()
        {
                if ($this->name !== null)
                {
                        return $this->name;
                }
                else
                {
                        return null;
                }
        }
}

class SimplePie_Copyright
{
        var $url;
        var $label;

        // Constructor, used to input the data
        public function __construct($url = null, $label = null)
        {
                $this->url = $url;
                $this->label = $label;
        }

        public function __toString()
        {
                // There is no $this->data here
                return md5(serialize($this));
        }

        public function get_url()
        {
                if ($this->url !== null)
                {
                        return $this->url;
                }
                else
                {
                        return null;
                }
        }

        public function get_attribution()
        {
                if ($this->label !== null)
                {
                        return $this->label;
                }
                else
                {
                        return null;
                }
        }
}

class SimplePie_Rating
{
        var $scheme;
        var $value;

        // Constructor, used to input the data
        public function __construct($scheme = null, $value = null)
        {
                $this->scheme = $scheme;
                $this->value = $value;
        }

        public function __toString()
        {
                // There is no $this->data here
                return md5(serialize($this));
        }

        public function get_scheme()
        {
                if ($this->scheme !== null)
                {
                        return $this->scheme;
                }
                else
                {
                        return null;
                }
        }

        public function get_value()
        {
                if ($this->value !== null)
                {
                        return $this->value;
                }
                else
                {
                        return null;
                }
        }
}

class SimplePie_Restriction
{
        var $relationship;
        var $type;
        var $value;

        // Constructor, used to input the data
        public function __construct($relationship = null, $type = null, $value = null)
        {
                $this->relationship = $relationship;
                $this->type = $type;
                $this->value = $value;
        }

        public function __toString()
        {
                // There is no $this->data here
                return md5(serialize($this));
        }

        public function get_relationship()
        {
                if ($this->relationship !== null)
                {
                        return $this->relationship;
                }
                else
                {
                        return null;
                }
        }

        public function get_type()
        {
                if ($this->type !== null)
                {
                        return $this->type;
                }
                else
                {
                        return null;
                }
        }

        public function get_value()
        {
                if ($this->value !== null)
                {
                        return $this->value;
                }
                else
                {
                        return null;
                }
        }
}

class SimplePie_File
{
        var $url;
        var $useragent;
        var $success = true;
        var $headers = array();
        var $body;
        var $status_code;
        var $redirects = 0;
        var $error;
        var $method = SIMPLEPIE_FILE_SOURCE_NONE;

        public function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false)
        {
                if (class_exists('idna_convert'))
                {
                        $idn = new idna_convert();
                        $parsed = SimplePie_Misc::parse_url($url);
                        $url = SimplePie_Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']);
                }
                $this->url = $url;
                $this->useragent = $useragent;
                if (preg_match('/^http(s)?:\/\//i', $url))
                {
                        if ($useragent === null)
                        {
                                $useragent = ini_get('user_agent');
                                $this->useragent = $useragent;
                        }
                        if (!is_array($headers))
                        {
                                $headers = array();
                        }
                        if (!$force_fsockopen && function_exists('curl_exec'))
                        {
                                $this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_CURL;
                                $fp = curl_init();
                                $headers2 = array();
                                foreach ($headers as $key => $value)
                                {
                                        $headers2[] = "$key: $value";
                                }
                                if (version_compare(SimplePie_Misc::get_curl_version(), '7.10.5', '>='))
                                {
                                        curl_setopt($fp, CURLOPT_ENCODING, '');
                                }
                                curl_setopt($fp, CURLOPT_URL, $url);
                                curl_setopt($fp, CURLOPT_HEADER, 1);
                                curl_setopt($fp, CURLOPT_RETURNTRANSFER, 1);
                                curl_setopt($fp, CURLOPT_TIMEOUT, $timeout);
                                curl_setopt($fp, CURLOPT_CONNECTTIMEOUT, $timeout);
                                curl_setopt($fp, CURLOPT_REFERER, $url);
                                curl_setopt($fp, CURLOPT_USERAGENT, $useragent);
                                curl_setopt($fp, CURLOPT_HTTPHEADER, $headers2);
                                if (!ini_get('open_basedir') && !ini_get('safe_mode') && version_compare(SimplePie_Misc::get_curl_version(), '7.15.2', '>='))
                                {
                                        curl_setopt($fp, CURLOPT_FOLLOWLOCATION, 1);
                                        curl_setopt($fp, CURLOPT_MAXREDIRS, $redirects);
                                }

                                $this->headers = curl_exec($fp);
                                if (curl_errno($fp) === 23 || curl_errno($fp) === 61)
                                {
                                        curl_setopt($fp, CURLOPT_ENCODING, 'none');
                                        $this->headers = curl_exec($fp);
                                }
                                if (curl_errno($fp))
                                {
                                        $this->error = 'cURL error ' . curl_errno($fp) . ': ' . curl_error($fp);
                                        $this->success = false;
                                }
                                else
                                {
                                        $info = curl_getinfo($fp);
                                        curl_close($fp);
                                        $this->headers = explode("\r\n\r\n", $this->headers, $info['redirect_count'] + 1);
                                        $this->headers = array_pop($this->headers);
                                        $parser = new SimplePie_HTTP_Parser($this->headers);
                                        if ($parser->parse())
                                        {
                                                $this->headers = $parser->headers;
                                                $this->body = $parser->body;
                                                $this->status_code = $parser->status_code;
                                                if ((in_array($this->status_code, array(300, 301, 302, 303, 307)) || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects)
                                                {
                                                        $this->redirects++;
                                                        $location = SimplePie_Misc::absolutize_url($this->headers['location'], $url);
                                                        return $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
                                                }
                                        }
                                }
                        }
                        else
                        {
                                $this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_FSOCKOPEN;
                                $url_parts = parse_url($url);
                                if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) === 'https')
                                {
                                        $url_parts['host'] = "ssl://$url_parts[host]";
                                        $url_parts['port'] = 443;
                                }
                                if (!isset($url_parts['port']))
                                {
                                        $url_parts['port'] = 80;
                                }
                                $fp = @fsockopen($url_parts['host'], $url_parts['port'], $errno, $errstr, $timeout);
                                if (!$fp)
                                {
                                        $this->error = 'fsockopen error: ' . $errstr;
                                        $this->success = false;
                                }
                                else
                                {
                                        stream_set_timeout($fp, $timeout);
                                        if (isset($url_parts['path']))
                                        {
                                                if (isset($url_parts['query']))
                                                {
                                                        $get = "$url_parts[path]?$url_parts[query]";
                                                }
                                                else
                                                {
                                                        $get = $url_parts['path'];
                                                }
                                        }
                                        else
                                        {
                                                $get = '/';
                                        }
                                        $out = "GET $get HTTP/1.0\r\n";
                                        $out .= "Host: $url_parts[host]\r\n";
                                        $out .= "User-Agent: $useragent\r\n";
                                        if (extension_loaded('zlib'))
                                        {
                                                $out .= "Accept-Encoding: x-gzip,gzip,deflate\r\n";
                                        }

                                        if (isset($url_parts['user']) && isset($url_parts['pass']))
                                        {
                                                $out .= "Authorization: Basic " . base64_encode("$url_parts[user]:$url_parts[pass]") . "\r\n";
                                        }
                                        foreach ($headers as $key => $value)
                                        {
                                                $out .= "$key: $value\r\n";
                                        }
                                        $out .= "Connection: Close\r\n\r\n";
                                        fwrite($fp, $out);

                                        $info = stream_get_meta_data($fp);

                                        $this->headers = '';
                                        while (!$info['eof'] && !$info['timed_out'])
                                        {
                                                $this->headers .= fread($fp, 1160);
                                                $info = stream_get_meta_data($fp);
                                        }
                                        if (!$info['timed_out'])
                                        {
                                                $parser = new SimplePie_HTTP_Parser($this->headers);
                                                if ($parser->parse())
                                                {
                                                        $this->headers = $parser->headers;
                                                        $this->body = $parser->body;
                                                        $this->status_code = $parser->status_code;
                                                        if ((in_array($this->status_code, array(300, 301, 302, 303, 307)) || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects)
                                                        {
                                                                $this->redirects++;
                                                                $location = SimplePie_Misc::absolutize_url($this->headers['location'], $url);
                                                                return $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
                                                        }
                                                        if (isset($this->headers['content-encoding']))
                                                        {
                                                                // Hey, we act dumb elsewhere, so let's do that here too
                                                                switch (strtolower(trim($this->headers['content-encoding'], "\x09\x0A\x0D\x20")))
                                                                {
                                                                        case 'gzip':
                                                                        case 'x-gzip':
                                                                                $decoder = new SimplePie_gzdecode($this->body);
                                                                                if (!$decoder->parse())
                                                                                {
                                                                                        $this->error = 'Unable to decode HTTP "gzip" stream';
                                                                                        $this->success = false;
                                                                                }
                                                                                else
                                                                                {
                                                                                        $this->body = $decoder->data;
                                                                                }
                                                                                break;

                                                                        case 'deflate':
                                                                                if (($body = gzuncompress($this->body)) === false)
                                                                                {
                                                                                        if (($body = gzinflate($this->body)) === false)
                                                                                        {
                                                                                                $this->error = 'Unable to decode HTTP "deflate" stream';
                                                                                                $this->success = false;
                                                                                        }
                                                                                }
                                                                                $this->body = $body;
                                                                                break;

                                                                        default:
                                                                                $this->error = 'Unknown content coding';
                                                                                $this->success = false;
                                                                }
                                                        }
                                                }
                                        }
                                        else
                                        {
                                                $this->error = 'fsocket timed out';
                                                $this->success = false;
                                        }
                                        fclose($fp);
                                }
                        }
                }
                else
                {
                        $this->method = SIMPLEPIE_FILE_SOURCE_LOCAL | SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS;
                        if (!$this->body = file_get_contents($url))
                        {
                                $this->error = 'file_get_contents could not read the file';
                                $this->success = false;
                        }
                }
        }
}

class SimplePie_HTTP_Parser
{
        var $http_version = 0.0;

        var $status_code = 0;

        var $reason = '';

        var $headers = array();

        var $body = '';

        var $state = 'http_version';

        var $data = '';

        var $data_length = 0;

        var $position = 0;

        var $name = '';

        var $value = '';

        public function __construct($data)
        {
                $this->data = $data;
                $this->data_length = strlen($this->data);
        }

        public function parse()
        {
                while ($this->state && $this->state !== 'emit' && $this->has_data())
                {
                        $state = $this->state;
                        $this->$state();
                }
                $this->data = '';
                if ($this->state === 'emit' || $this->state === 'body')
                {
                        return true;
                }
                else
                {
                        $this->http_version = '';
                        $this->status_code = '';
                        $this->reason = '';
                        $this->headers = array();
                        $this->body = '';
                        return false;
                }
        }

        public function has_data()
        {
                return (bool) ($this->position < $this->data_length);
        }

        public function is_linear_whitespace()
        {
                return (bool) ($this->data[$this->position] === "\x09"
                        || $this->data[$this->position] === "\x20"
                        || ($this->data[$this->position] === "\x0A"
                                && isset($this->data[$this->position + 1])
                                && ($this->data[$this->position + 1] === "\x09" || $this->data[$this->position + 1] === "\x20")));
        }

        public function http_version()
        {
                if (strpos($this->data, "\x0A") !== false && strtoupper(substr($this->data, 0, 5)) === 'HTTP/')
                {
                        $len = strspn($this->data, '0123456789.', 5);
                        $this->http_version = substr($this->data, 5, $len);
                        $this->position += 5 + $len;
                        if (substr_count($this->http_version, '.') <= 1)
                        {
                                $this->http_version = (float) $this->http_version;
                                $this->position += strspn($this->data, "\x09\x20", $this->position);
                                $this->state = 'status';
                        }
                        else
                        {
                                $this->state = false;
                        }
                }
                else
                {
                        $this->state = false;
                }
        }

        public function status()
        {
                if ($len = strspn($this->data, '0123456789', $this->position))
                {
                        $this->status_code = (int) substr($this->data, $this->position, $len);
                        $this->position += $len;
                        $this->state = 'reason';
                }
                else
                {
                        $this->state = false;
                }
        }

        public function reason()
        {
                $len = strcspn($this->data, "\x0A", $this->position);
                $this->reason = trim(substr($this->data, $this->position, $len), "\x09\x0D\x20");
                $this->position += $len + 1;
                $this->state = 'new_line';
        }

        public function new_line()
        {
                $this->value = trim($this->value, "\x0D\x20");
                if ($this->name !== '' && $this->value !== '')
                {
                        $this->name = strtolower($this->name);
                        if (isset($this->headers[$this->name]))
                        {
                                $this->headers[$this->name] .= ', ' . $this->value;
                        }
                        else
                        {
                                $this->headers[$this->name] = $this->value;
                        }
                }
                $this->name = '';
                $this->value = '';
                if (substr($this->data[$this->position], 0, 2) === "\x0D\x0A")
                {
                        $this->position += 2;
                        $this->state = 'body';
                }
                elseif ($this->data[$this->position] === "\x0A")
                {
                        $this->position++;
                        $this->state = 'body';
                }
                else
                {
                        $this->state = 'name';
                }
        }

        public function name()
        {
                $len = strcspn($this->data, "\x0A:", $this->position);
                if (isset($this->data[$this->position + $len]))
                {
                        if ($this->data[$this->position + $len] === "\x0A")
                        {
                                $this->position += $len;
                                $this->state = 'new_line';
                        }
                        else
                        {
                                $this->name = substr($this->data, $this->position, $len);
                                $this->position += $len + 1;
                                $this->state = 'value';
                        }
                }
                else
                {
                        $this->state = false;
                }
        }

        public function linear_whitespace()
        {
                do
                {
                        if (substr($this->data, $this->position, 2) === "\x0D\x0A")
                        {
                                $this->position += 2;
                        }
                        elseif ($this->data[$this->position] === "\x0A")
                        {
                                $this->position++;
                        }
                        $this->position += strspn($this->data, "\x09\x20", $this->position);
                } while ($this->has_data() && $this->is_linear_whitespace());
                $this->value .= "\x20";
        }

        public function value()
        {
                if ($this->is_linear_whitespace())
                {
                        $this->linear_whitespace();
                }
                else
                {
                        switch ($this->data[$this->position])
                        {
                                case '"':
                                        $this->position++;
                                        $this->state = 'quote';
                                        break;

                                case "\x0A":
                                        $this->position++;
                                        $this->state = 'new_line';
                                        break;

                                default:
                                        $this->state = 'value_char';
                                        break;
                        }
                }
        }

        public function value_char()
        {
                $len = strcspn($this->data, "\x09\x20\x0A\"", $this->position);
                $this->value .= substr($this->data, $this->position, $len);
                $this->position += $len;
                $this->state = 'value';
        }

        public function quote()
        {
                if ($this->is_linear_whitespace())
                {
                        $this->linear_whitespace();
                }
                else
                {
                        switch ($this->data[$this->position])
                        {
                                case '"':
                                        $this->position++;
                                        $this->state = 'value';
                                        break;

                                case "\x0A":
                                        $this->position++;
                                        $this->state = 'new_line';
                                        break;

                                case '\\':
                                        $this->position++;
                                        $this->state = 'quote_escaped';
                                        break;

                                default:
                                        $this->state = 'quote_char';
                                        break;
                        }
                }
        }

        public function quote_char()
        {
                $len = strcspn($this->data, "\x09\x20\x0A\"\\", $this->position);
                $this->value .= substr($this->data, $this->position, $len);
                $this->position += $len;
                $this->state = 'value';
        }

        public function quote_escaped()
        {
                $this->value .= $this->data[$this->position];
                $this->position++;
                $this->state = 'quote';
        }

        public function body()
        {
                $this->body = substr($this->data, $this->position);
                $this->state = 'emit';
        }
}

class SimplePie_gzdecode
{
        var $compressed_data;

        var $compressed_size;

        var $min_compressed_size = 18;

        var $position = 0;

        var $flags;

        var $data;

        var $MTIME;

        var $XFL;

        var $OS;

        var $SI1;

        var $SI2;

        var $extra_field;

        var $filename;

        var $comment;

        public function __set($name, $value)
        {
                trigger_error("Cannot write property $name", E_USER_ERROR);
        }

        public function __construct($data)
        {
                $this->compressed_data = $data;
                $this->compressed_size = strlen($data);
        }

        public function parse()
        {
                if ($this->compressed_size >= $this->min_compressed_size)
                {
                        // Check ID1, ID2, and CM
                        if (substr($this->compressed_data, 0, 3) !== "\x1F\x8B\x08")
                        {
                                return false;
                        }

                        // Get the FLG (FLaGs)
                        $this->flags = ord($this->compressed_data[3]);

                        // FLG bits above (1 << 4) are reserved
                        if ($this->flags > 0x1F)
                        {
                                return false;
                        }

                        // Advance the pointer after the above
                        $this->position += 4;

                        // MTIME
                        $mtime = substr($this->compressed_data, $this->position, 4);
                        // Reverse the string if we're on a big-endian arch because l is the only signed long and is machine endianness
                        if (current(unpack('S', "\x00\x01")) === 1)
                        {
                                $mtime = strrev($mtime);
                        }
                        $this->MTIME = current(unpack('l', $mtime));
                        $this->position += 4;

                        // Get the XFL (eXtra FLags)
                        $this->XFL = ord($this->compressed_data[$this->position++]);

                        // Get the OS (Operating System)
                        $this->OS = ord($this->compressed_data[$this->position++]);

                        // Parse the FEXTRA
                        if ($this->flags & 4)
                        {
                                // Read subfield IDs
                                $this->SI1 = $this->compressed_data[$this->position++];
                                $this->SI2 = $this->compressed_data[$this->position++];

                                // SI2 set to zero is reserved for future use
                                if ($this->SI2 === "\x00")
                                {
                                        return false;
                                }

                                // Get the length of the extra field
                                $len = current(unpack('v', substr($this->compressed_data, $this->position, 2)));
                                $position += 2;

                                // Check the length of the string is still valid
                                $this->min_compressed_size += $len + 4;
                                if ($this->compressed_size >= $this->min_compressed_size)
                                {
                                        // Set the extra field to the given data
                                        $this->extra_field = substr($this->compressed_data, $this->position, $len);
                                        $this->position += $len;
                                }
                                else
                                {
                                        return false;
                                }
                        }

                        // Parse the FNAME
                        if ($this->flags & 8)
                        {
                                // Get the length of the filename
                                $len = strcspn($this->compressed_data, "\x00", $this->position);

                                // Check the length of the string is still valid
                                $this->min_compressed_size += $len + 1;
                                if ($this->compressed_size >= $this->min_compressed_size)
                                {
                                        // Set the original filename to the given string
                                        $this->filename = substr($this->compressed_data, $this->position, $len);
                                        $this->position += $len + 1;
                                }
                                else
                                {
                                        return false;
                                }
                        }

                        // Parse the FCOMMENT
                        if ($this->flags & 16)
                        {
                                // Get the length of the comment
                                $len = strcspn($this->compressed_data, "\x00", $this->position);

                                // Check the length of the string is still valid
                                $this->min_compressed_size += $len + 1;
                                if ($this->compressed_size >= $this->min_compressed_size)
                                {
                                        // Set the original comment to the given string
                                        $this->comment = substr($this->compressed_data, $this->position, $len);
                                        $this->position += $len + 1;
                                }
                                else
                                {
                                        return false;
                                }
                        }

                        // Parse the FHCRC
                        if ($this->flags & 2)
                        {
                                // Check the length of the string is still valid
                                $this->min_compressed_size += $len + 2;
                                if ($this->compressed_size >= $this->min_compressed_size)
                                {
                                        // Read the CRC
                                        $crc = current(unpack('v', substr($this->compressed_data, $this->position, 2)));

                                        // Check the CRC matches
                                        if ((crc32(substr($this->compressed_data, 0, $this->position)) & 0xFFFF) === $crc)
                                        {
                                                $this->position += 2;
                                        }
                                        else
                                        {
                                                return false;
                                        }
                                }
                                else
                                {
                                        return false;
                                }
                        }

                        // Decompress the actual data
                        if (($this->data = gzinflate(substr($this->compressed_data, $this->position, -8))) === false)
                        {
                                return false;
                        }
                        else
                        {
                                $this->position = $this->compressed_size - 8;
                        }

                        // Check CRC of data
                        $crc = current(unpack('V', substr($this->compressed_data, $this->position, 4)));
                        $this->position += 4;
                        /*if (extension_loaded('hash') && sprintf('%u', current(unpack('V', hash('crc32b', $this->data)))) !== sprintf('%u', $crc))
                        {
                                return false;
                        }*/

                        // Check ISIZE of data
                        $isize = current(unpack('V', substr($this->compressed_data, $this->position, 4)));
                        $this->position += 4;
                        if (sprintf('%u', strlen($this->data) & 0xFFFFFFFF) !== sprintf('%u', $isize))
                        {
                                return false;
                        }

                        // Wow, against all odds, we've actually got a valid gzip string
                        return true;
                }
                else
                {
                        return false;
                }
        }
}

class SimplePie_Cache
{
        private function __construct()
        {
                trigger_error('Please call SimplePie_Cache::create() instead of the constructor', E_USER_ERROR);
        }

        public static function create($location, $filename, $extension)
        {
                $location_iri = new SimplePie_IRI($location);
                switch ($location_iri->get_scheme())
                {
                        case 'mysql':
                                if (extension_loaded('mysql'))
                                {
                                        return new SimplePie_Cache_MySQL($location_iri, $filename, $extension);
                                }
                                break;

                        default:
                                return new SimplePie_Cache_File($location, $filename, $extension);
                }
        }
}

class SimplePie_Cache_File
{
        var $location;
        var $filename;
        var $extension;
        var $name;

        public function __construct($location, $filename, $extension)
        {
                $this->location = $location;
                $this->filename = $filename;
                $this->extension = $extension;
                $this->name = "$this->location/$this->filename.$this->extension";
        }

        public function save($data)
        {
                if (file_exists($this->name) && is_writeable($this->name) || file_exists($this->location) && is_writeable($this->location))
                {
                        if (is_a($data, 'SimplePie'))
                        {
                                $data = $data->data;
                        }

                        $data = serialize($data);
                        return (bool) file_put_contents($this->name, $data);
                }
                return false;
        }

        public function load()
        {
                if (file_exists($this->name) && is_readable($this->name))
                {
                        return unserialize(file_get_contents($this->name));
                }
                return false;
        }

        public function mtime()
        {
                if (file_exists($this->name))
                {
                        return filemtime($this->name);
                }
                return false;
        }

        public function touch()
        {
                if (file_exists($this->name))
                {
                        return touch($this->name);
                }
                return false;
        }

        public function unlink()
        {
                if (file_exists($this->name))
                {
                        return unlink($this->name);
                }
                return false;
        }
}

class SimplePie_Cache_DB
{
        public function prepare_simplepie_object_for_cache($data)
        {
                $items = $data->get_items();
                $items_by_id = array();

                if (!empty($items))
                {
                        foreach ($items as $item)
                        {
                                $items_by_id[$item->get_id()] = $item;
                        }

                        if (count($items_by_id) !== count($items))
                        {
                                $items_by_id = array();
                                foreach ($items as $item)
                                {
                                        $items_by_id[$item->get_id(true)] = $item;
                                }
                        }

                        if (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]))
                        {
                                $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0];
                        }
                        elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]))
                        {
                                $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0];
                        }
                        elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]))
                        {
                                $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0];
                        }
                        elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0]))
                        {
                                $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0];
                        }
                        else
                        {
                                $channel = null;
                        }

                        if ($channel !== null)
                        {
                                if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry']))
                                {
                                        unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry']);
                                }
                                if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry']))
                                {
                                        unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry']);
                                }
                                if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item']))
                                {
                                        unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item']);
                                }
                                if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item']))
                                {
                                        unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item']);
                                }
                                if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item']))
                                {
                                        unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item']);
                                }
                        }
                        if (isset($data->data['items']))
                        {
                                unset($data->data['items']);
                        }
                        if (isset($data->data['ordered_items']))
                        {
                                unset($data->data['ordered_items']);
                        }
                }
                return array(serialize($data->data), $items_by_id);
        }
}

class SimplePie_Cache_MySQL extends SimplePie_Cache_DB
{
        var $mysql;
        var $options;
        var $id;

        public function __construct($mysql_location, $name, $extension)
        {
                $host = $mysql_location->get_host();
                if (stripos($host, 'unix(') === 0 && substr($host, -1) === ')')
                {
                        $server = ':' . substr($host, 5, -1);
                }
                else
                {
                        $server = $host;
                        if ($mysql_location->get_port() !== null)
                        {
                                $server .= ':' . $mysql_location->get_port();
                        }
                }

                if (strpos($mysql_location->get_userinfo(), ':') !== false)
                {
                        list($username, $password) = explode(':', $mysql_location->get_userinfo(), 2);
                }
                else
                {
                        $username = $mysql_location->get_userinfo();
                        $password = null;
                }

                if ($this->mysql = mysql_connect($server, $username, $password))
                {
                        $this->id = $name . $extension;
                        $this->options = SimplePie_Misc::parse_str($mysql_location->get_query());
                        if (!isset($this->options['prefix'][0]))
                        {
                                $this->options['prefix'][0] = '';
                        }

                        if (mysql_select_db(ltrim($mysql_location->get_path(), '/'))
                                && mysql_query('SET NAMES utf8')
                                && ($query = mysql_unbuffered_query('SHOW TABLES')))
                        {
                                $db = array();
                                while ($row = mysql_fetch_row($query))
                                {
                                        $db[] = $row[0];
                                }

                                if (!in_array($this->options['prefix'][0] . 'cache_data', $db))
                                {
                                        if (!mysql_query('CREATE TABLE `' . $this->options['prefix'][0] . 'cache_data` (`id` TEXT CHARACTER SET utf8 NOT NULL, `items` SMALLINT NOT NULL DEFAULT 0, `data` BLOB NOT NULL, `mtime` INT UNSIGNED NOT NULL, UNIQUE (`id`(125)))'))
                                        {
                                                $this->mysql = null;
                                        }
                                }

                                if (!in_array($this->options['prefix'][0] . 'items', $db))
                                {
                                        if (!mysql_query('CREATE TABLE `' . $this->options['prefix'][0] . 'items` (`feed_id` TEXT CHARACTER SET utf8 NOT NULL, `id` TEXT CHARACTER SET utf8 NOT NULL, `data` TEXT CHARACTER SET utf8 NOT NULL, `posted` INT UNSIGNED NOT NULL, INDEX `feed_id` (`feed_id`(125)))'))
                                        {
                                                $this->mysql = null;
                                        }
                                }
                        }
                        else
                        {
                                $this->mysql = null;
                        }
                }
        }

        public function save($data)
        {
                if ($this->mysql)
                {
                        $feed_id = "'" . mysql_real_escape_string($this->id) . "'";

                        if (is_a($data, 'SimplePie'))
                        {
                                $data = clone $data;

                                $prepared = $this->prepare_simplepie_object_for_cache($data);

                                if ($query = mysql_query('SELECT `id` FROM `' . $this->options['prefix'][0] . 'cache_data` WHERE `id` = ' . $feed_id, $this->mysql))
                                {
                                        if (mysql_num_rows($query))
                                        {
                                                $items = count($prepared[1]);
                                                if ($items)
                                                {
                                                        $sql = 'UPDATE `' . $this->options['prefix'][0] . 'cache_data` SET `items` = ' . $items . ', `data` = \'' . mysql_real_escape_string($prepared[0]) . '\', `mtime` = ' . time() . ' WHERE `id` = ' . $feed_id;
                                                }
                                                else
                                                {
                                                        $sql = 'UPDATE `' . $this->options['prefix'][0] . 'cache_data` SET `data` = \'' . mysql_real_escape_string($prepared[0]) . '\', `mtime` = ' . time() . ' WHERE `id` = ' . $feed_id;
                                                }

                                                if (!mysql_query($sql, $this->mysql))
                                                {
                                                        return false;
                                                }
                                        }
                                        elseif (!mysql_query('INSERT INTO `' . $this->options['prefix'][0] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(' . $feed_id . ', ' . count($prepared[1]) . ', \'' . mysql_real_escape_string($prepared[0]) . '\', ' . time() . ')', $this->mysql))
                                        {
                                                return false;
                                        }

                                        $ids = array_keys($prepared[1]);
                                        if (!empty($ids))
                                        {
                                                foreach ($ids as $id)
                                                {
                                                        $database_ids[] = mysql_real_escape_string($id);
                                                }

                                                if ($query = mysql_unbuffered_query('SELECT `id` FROM `' . $this->options['prefix'][0] . 'items` WHERE `id` = \'' . implode('\' OR `id` = \'', $database_ids) . '\' AND `feed_id` = ' . $feed_id, $this->mysql))
                                                {
                                                        $existing_ids = array();
                                                        while ($row = mysql_fetch_row($query))
                                                        {
                                                                $existing_ids[] = $row[0];
                                                        }

                                                        $new_ids = array_diff($ids, $existing_ids);

                                                        foreach ($new_ids as $new_id)
                                                        {
                                                                if (!($date = $prepared[1][$new_id]->get_date('U')))
                                                                {
                                                                        $date = time();
                                                                }

                                                                if (!mysql_query('INSERT INTO `' . $this->options['prefix'][0] . 'items` (`feed_id`, `id`, `data`, `posted`) VALUES(' . $feed_id . ', \'' . mysql_real_escape_string($new_id) . '\', \'' . mysql_real_escape_string(serialize($prepared[1][$new_id]->data)) . '\', ' . $date . ')', $this->mysql))
                                                                {
                                                                        return false;
                                                                }
                                                        }
                                                        return true;
                                                }
                                        }
                                        else
                                        {
                                                return true;
                                        }
                                }
                        }
                        elseif ($query = mysql_query('SELECT `id` FROM `' . $this->options['prefix'][0] . 'cache_data` WHERE `id` = ' . $feed_id, $this->mysql))
                        {
                                if (mysql_num_rows($query))
                                {
                                        if (mysql_query('UPDATE `' . $this->options['prefix'][0] . 'cache_data` SET `items` = 0, `data` = \'' . mysql_real_escape_string(serialize($data)) . '\', `mtime` = ' . time() . ' WHERE `id` = ' . $feed_id, $this->mysql))
                                        {
                                                return true;
                                        }
                                }
                                elseif (mysql_query('INSERT INTO `' . $this->options['prefix'][0] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(\'' . mysql_real_escape_string($this->id) . '\', 0, \'' . mysql_real_escape_string(serialize($data)) . '\', ' . time() . ')', $this->mysql))
                                {
                                        return true;
                                }
                        }
                }
                return false;
        }

        public function load()
        {
                if ($this->mysql && ($query = mysql_query('SELECT `items`, `data` FROM `' . $this->options['prefix'][0] . 'cache_data` WHERE `id` = \'' . mysql_real_escape_string($this->id) . "'", $this->mysql)) && ($row = mysql_fetch_row($query)))
                {
                        $data = unserialize($row[1]);

                        if (isset($this->options['items'][0]))
                        {
                                $items = (int) $this->options['items'][0];
                        }
                        else
                        {
                                $items = (int) $row[0];
                        }

                        if ($items !== 0)
                        {
                                if (isset($data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]))
                                {
                                        $feed =& $data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0];
                                }
                                elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]))
                                {
                                        $feed =& $data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0];
                                }
                                elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]))
                                {
                                        $feed =& $data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0];
                                }
                                elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]))
                                {
                                        $feed =& $data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0];
                                }
                                else
                                {
                                        $feed = null;
                                }

                                if ($feed !== null)
                                {
                                        $sql = 'SELECT `data` FROM `' . $this->options['prefix'][0] . 'items` WHERE `feed_id` = \'' . mysql_real_escape_string($this->id) . '\' ORDER BY `posted` DESC';
                                        if ($items > 0)
                                        {
                                                $sql .= ' LIMIT ' . $items;
                                        }

                                        if ($query = mysql_unbuffered_query($sql, $this->mysql))
                                        {
                                                while ($row = mysql_fetch_row($query))
                                                {
                                                        $feed['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry'][] = unserialize($row[0]);
                                                }
                                        }
                                        else
                                        {
                                                return false;
                                        }
                                }
                        }
                        return $data;
                }
                return false;
        }

        public function mtime()
        {
                if ($this->mysql && ($query = mysql_query('SELECT `mtime` FROM `' . $this->options['prefix'][0] . 'cache_data` WHERE `id` = \'' . mysql_real_escape_string($this->id) . "'", $this->mysql)) && ($row = mysql_fetch_row($query)))
                {
                        return $row[0];
                }
                else
                {
                        return false;
                }
        }

        public function touch()
        {
                if ($this->mysql && ($query = mysql_query('UPDATE `' . $this->options['prefix'][0] . 'cache_data` SET `mtime` = ' . time() . ' WHERE `id` = \'' . mysql_real_escape_string($this->id) . "'", $this->mysql)) && mysql_affected_rows($this->mysql))
                {
                        return true;
                }
                else
                {
                        return false;
                }
        }

        public function unlink()
        {
                if ($this->mysql && ($query = mysql_query('DELETE FROM `' . $this->options['prefix'][0] . 'cache_data` WHERE `id` = \'' . mysql_real_escape_string($this->id) . "'", $this->mysql)) && ($query2 = mysql_query('DELETE FROM `' . $this->options['prefix'][0] . 'items` WHERE `feed_id` = \'' . mysql_real_escape_string($this->id) . "'", $this->mysql)))
                {
                        return true;
                }
                else
                {
                        return false;
                }
        }
}

class SimplePie_Misc
{
        public static function time_hms($seconds)
        {
                $time = '';

                $hours = floor($seconds / 3600);
                $remainder = $seconds % 3600;
                if ($hours > 0)
                {
                        $time .= $hours.':';
                }

                $minutes = floor($remainder / 60);
                $seconds = $remainder % 60;
                if ($minutes < 10 && $hours > 0)
                {
                        $minutes = '0' . $minutes;
                }
                if ($seconds < 10)
                {
                        $seconds = '0' . $seconds;
                }

                $time .= $minutes.':';
                $time .= $seconds;

                return $time;
        }

        public static function absolutize_url($relative, $base)
        {
                $iri = SimplePie_IRI::absolutize(new SimplePie_IRI($base), $relative);
                return $iri->get_iri();
        }

        public static function remove_dot_segments($input)
        {
                $output = '';
                while (strpos($input, './') !== false || strpos($input, '/.') !== false || $input === '.' || $input === '..')
                {
                        // A: If the input buffer begins with a prefix of "../" or "./", then remove that prefix from the input buffer; otherwise,
                        if (strpos($input, '../') === 0)
                        {
                                $input = substr($input, 3);
                        }
                        elseif (strpos($input, './') === 0)
                        {
                                $input = substr($input, 2);
                        }
                        // B: if the input buffer begins with a prefix of "/./" or "/.", where "." is a complete path segment, then replace that prefix with "/" in the input buffer; otherwise,
                        elseif (strpos($input, '/./') === 0)
                        {
                                $input = substr_replace($input, '/', 0, 3);
                        }
                        elseif ($input === '/.')
                        {
                                $input = '/';
                        }
                        // C: if the input buffer begins with a prefix of "/../" or "/..", where ".." is a complete path segment, then replace that prefix with "/" in the input buffer and remove the last segment and its preceding "/" (if any) from the output buffer; otherwise,
                        elseif (strpos($input, '/../') === 0)
                        {
                                $input = substr_replace($input, '/', 0, 4);
                                $output = substr_replace($output, '', strrpos($output, '/'));
                        }
                        elseif ($input === '/..')
                        {
                                $input = '/';
                                $output = substr_replace($output, '', strrpos($output, '/'));
                        }
                        // D: if the input buffer consists only of "." or "..", then remove that from the input buffer; otherwise,
                        elseif ($input === '.' || $input === '..')
                        {
                                $input = '';
                        }
                        // E: move the first path segment in the input buffer to the end of the output buffer, including the initial "/" character (if any) and any subsequent characters up to, but not including, the next "/" character or the end of the input buffer
                        elseif (($pos = strpos($input, '/', 1)) !== false)
                        {
                                $output .= substr($input, 0, $pos);
                                $input = substr_replace($input, '', 0, $pos);
                        }
                        else
                        {
                                $output .= $input;
                                $input = '';
                        }
                }
                return $output . $input;
        }

        public static function get_element($realname, $string)
        {
                $return = array();
                $name = preg_quote($realname, '/');
                if (preg_match_all("/<($name)" . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . "(>(.*)<\/$name>|(\/)?>)/siU", $string, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE))
                {
                        for ($i = 0, $total_matches = count($matches); $i < $total_matches; $i++)
                        {
                                $return[$i]['tag'] = $realname;
                                $return[$i]['full'] = $matches[$i][0][0];
                                $return[$i]['offset'] = $matches[$i][0][1];
                                if (strlen($matches[$i][3][0]) <= 2)
                                {
                                        $return[$i]['self_closing'] = true;
                                }
                                else
                                {
                                        $return[$i]['self_closing'] = false;
                                        $return[$i]['content'] = $matches[$i][4][0];
                                }
                                $return[$i]['attribs'] = array();
                                if (isset($matches[$i][2][0]) && preg_match_all('/[\x09\x0A\x0B\x0C\x0D\x20]+([^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*)(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:"([^"]*)"|\'([^\']*)\'|([^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?/', ' ' . $matches[$i][2][0] . ' ', $attribs, PREG_SET_ORDER))
                                {
                                        for ($j = 0, $total_attribs = count($attribs); $j < $total_attribs; $j++)
                                        {
                                                if (count($attribs[$j]) === 2)
                                                {
                                                        $attribs[$j][2] = $attribs[$j][1];
                                                }
                                                $return[$i]['attribs'][strtolower($attribs[$j][1])]['data'] = SimplePie_Misc::entities_decode(end($attribs[$j]), 'UTF-8');
                                        }
                                }
                        }
                }
                return $return;
        }

        public static function element_implode($element)
        {
                $full = "<$element[tag]";
                foreach ($element['attribs'] as $key => $value)
                {
                        $key = strtolower($key);
                        $full .= " $key=\"" . htmlspecialchars($value['data']) . '"';
                }
                if ($element['self_closing'])
                {
                        $full .= ' />';
                }
                else
                {
                        $full .= ">$element[content]</$element[tag]>";
                }
                return $full;
        }

        public static function error($message, $level, $file, $line)
        {
                if ((ini_get('error_reporting') & $level) > 0)
                {
                        switch ($level)
                        {
                                case E_USER_ERROR:
                                        $note = 'PHP Error';
                                        break;
                                case E_USER_WARNING:
                                        $note = 'PHP Warning';
                                        break;
                                case E_USER_NOTICE:
                                        $note = 'PHP Notice';
                                        break;
                                default:
                                        $note = 'Unknown Error';
                                        break;
                        }

                        $log_error = true;
                        if (!function_exists('error_log'))
                        {
                                $log_error = false;
                        }

                        $log_file = @ini_get('error_log');
                        if (!empty($log_file) && ('syslog' != $log_file) && !@is_writable($log_file))
                        {
                                $log_error = false;
                        }

                        if ($log_error)
                        {
                                @error_log("$note: $message in $file on line $line", 0);
                        }
                }

                return $message;
        }

        public static function fix_protocol($url, $http = 1)
        {
                $url = SimplePie_Misc::normalize_url($url);
                $parsed = SimplePie_Misc::parse_url($url);
                if ($parsed['scheme'] !== '' && $parsed['scheme'] !== 'http' && $parsed['scheme'] !== 'https')
                {
                        return SimplePie_Misc::fix_protocol(SimplePie_Misc::compress_parse_url('http', $parsed['authority'], $parsed['path'], $parsed['query'], $parsed['fragment']), $http);
                }

                if ($parsed['scheme'] === '' && $parsed['authority'] === '' && !file_exists($url))
                {
                        return SimplePie_Misc::fix_protocol(SimplePie_Misc::compress_parse_url('http', $parsed['path'], '', $parsed['query'], $parsed['fragment']), $http);
                }

                if ($http === 2 && $parsed['scheme'] !== '')
                {
                        return "feed:$url";
                }
                elseif ($http === 3 && strtolower($parsed['scheme']) === 'http')
                {
                        return substr_replace($url, 'podcast', 0, 4);
                }
                elseif ($http === 4 && strtolower($parsed['scheme']) === 'http')
                {
                        return substr_replace($url, 'itpc', 0, 4);
                }
                else
                {
                        return $url;
                }
        }

        public static function parse_url($url)
        {
                $iri = new SimplePie_IRI($url);
                return array(
                        'scheme' => (string) $iri->get_scheme(),
                        'authority' => (string) $iri->get_authority(),
                        'path' => (string) $iri->get_path(),
                        'query' => (string) $iri->get_query(),
                        'fragment' => (string) $iri->get_fragment()
                );
        }

        public static function compress_parse_url($scheme = '', $authority = '', $path = '', $query = '', $fragment = '')
        {
                $iri = new SimplePie_IRI('');
                $iri->set_scheme($scheme);
                $iri->set_authority($authority);
                $iri->set_path($path);
                $iri->set_query($query);
                $iri->set_fragment($fragment);
                return $iri->get_iri();
        }

        public static function normalize_url($url)
        {
                $iri = new SimplePie_IRI($url);
                return $iri->get_iri();
        }

        public static function percent_encoding_normalization($match)
        {
                $integer = hexdec($match[1]);
                if ($integer >= 0x41 && $integer <= 0x5A || $integer >= 0x61 && $integer <= 0x7A || $integer >= 0x30 && $integer <= 0x39 || $integer === 0x2D || $integer === 0x2E || $integer === 0x5F || $integer === 0x7E)
                {
                        return chr($integer);
                }
                else
                {
                        return strtoupper($match[0]);
                }
        }

        public static function windows_1252_to_utf8($string)
        {
                static $convert_table = array("\x80" => "\xE2\x82\xAC", "\x81" => "\xEF\xBF\xBD", "\x82" => "\xE2\x80\x9A", "\x83" => "\xC6\x92", "\x84" => "\xE2\x80\x9E", "\x85" => "\xE2\x80\xA6", "\x86" => "\xE2\x80\xA0", "\x87" => "\xE2\x80\xA1", "\x88" => "\xCB\x86", "\x89" => "\xE2\x80\xB0", "\x8A" => "\xC5\xA0", "\x8B" => "\xE2\x80\xB9", "\x8C" => "\xC5\x92", "\x8D" => "\xEF\xBF\xBD", "\x8E" => "\xC5\xBD", "\x8F" => "\xEF\xBF\xBD", "\x90" => "\xEF\xBF\xBD", "\x91" => "\xE2\x80\x98", "\x92" => "\xE2\x80\x99", "\x93" => "\xE2\x80\x9C", "\x94" => "\xE2\x80\x9D", "\x95" => "\xE2\x80\xA2", "\x96" => "\xE2\x80\x93", "\x97" => "\xE2\x80\x94", "\x98" => "\xCB\x9C", "\x99" => "\xE2\x84\xA2", "\x9A" => "\xC5\xA1", "\x9B" => "\xE2\x80\xBA", "\x9C" => "\xC5\x93", "\x9D" => "\xEF\xBF\xBD", "\x9E" => "\xC5\xBE", "\x9F" => "\xC5\xB8", "\xA0" => "\xC2\xA0", "\xA1" => "\xC2\xA1", "\xA2" => "\xC2\xA2", "\xA3" => "\xC2\xA3", "\xA4" => "\xC2\xA4", "\xA5" => "\xC2\xA5", "\xA6" => "\xC2\xA6", "\xA7" => "\xC2\xA7", "\xA8" => "\xC2\xA8", "\xA9" => "\xC2\xA9", "\xAA" => "\xC2\xAA", "\xAB" => "\xC2\xAB", "\xAC" => "\xC2\xAC", "\xAD" => "\xC2\xAD", "\xAE" => "\xC2\xAE", "\xAF" => "\xC2\xAF", "\xB0" => "\xC2\xB0", "\xB1" => "\xC2\xB1", "\xB2" => "\xC2\xB2", "\xB3" => "\xC2\xB3", "\xB4" => "\xC2\xB4", "\xB5" => "\xC2\xB5", "\xB6" => "\xC2\xB6", "\xB7" => "\xC2\xB7", "\xB8" => "\xC2\xB8", "\xB9" => "\xC2\xB9", "\xBA" => "\xC2\xBA", "\xBB" => "\xC2\xBB", "\xBC" => "\xC2\xBC", "\xBD" => "\xC2\xBD", "\xBE" => "\xC2\xBE", "\xBF" => "\xC2\xBF", "\xC0" => "\xC3\x80", "\xC1" => "\xC3\x81", "\xC2" => "\xC3\x82", "\xC3" => "\xC3\x83", "\xC4" => "\xC3\x84", "\xC5" => "\xC3\x85", "\xC6" => "\xC3\x86", "\xC7" => "\xC3\x87", "\xC8" => "\xC3\x88", "\xC9" => "\xC3\x89", "\xCA" => "\xC3\x8A", "\xCB" => "\xC3\x8B", "\xCC" => "\xC3\x8C", "\xCD" => "\xC3\x8D", "\xCE" => "\xC3\x8E", "\xCF" => "\xC3\x8F", "\xD0" => "\xC3\x90", "\xD1" => "\xC3\x91", "\xD2" => "\xC3\x92", "\xD3" => "\xC3\x93", "\xD4" => "\xC3\x94", "\xD5" => "\xC3\x95", "\xD6" => "\xC3\x96", "\xD7" => "\xC3\x97", "\xD8" => "\xC3\x98", "\xD9" => "\xC3\x99", "\xDA" => "\xC3\x9A", "\xDB" => "\xC3\x9B", "\xDC" => "\xC3\x9C", "\xDD" => "\xC3\x9D", "\xDE" => "\xC3\x9E", "\xDF" => "\xC3\x9F", "\xE0" => "\xC3\xA0", "\xE1" => "\xC3\xA1", "\xE2" => "\xC3\xA2", "\xE3" => "\xC3\xA3", "\xE4" => "\xC3\xA4", "\xE5" => "\xC3\xA5", "\xE6" => "\xC3\xA6", "\xE7" => "\xC3\xA7", "\xE8" => "\xC3\xA8", "\xE9" => "\xC3\xA9", "\xEA" => "\xC3\xAA", "\xEB" => "\xC3\xAB", "\xEC" => "\xC3\xAC", "\xED" => "\xC3\xAD", "\xEE" => "\xC3\xAE", "\xEF" => "\xC3\xAF", "\xF0" => "\xC3\xB0", "\xF1" => "\xC3\xB1", "\xF2" => "\xC3\xB2", "\xF3" => "\xC3\xB3", "\xF4" => "\xC3\xB4", "\xF5" => "\xC3\xB5", "\xF6" => "\xC3\xB6", "\xF7" => "\xC3\xB7", "\xF8" => "\xC3\xB8", "\xF9" => "\xC3\xB9", "\xFA" => "\xC3\xBA", "\xFB" => "\xC3\xBB", "\xFC" => "\xC3\xBC", "\xFD" => "\xC3\xBD", "\xFE" => "\xC3\xBE", "\xFF" => "\xC3\xBF");

                return strtr($string, $convert_table);
        }

        public static function change_encoding($data, $input, $output)
        {
                $input = SimplePie_Misc::encoding($input);
                $output = SimplePie_Misc::encoding($output);

                // We fail to fail on non US-ASCII bytes
                if ($input === 'US-ASCII')
                {
                        static $non_ascii_octects = '';
                        if (!$non_ascii_octects)
                        {
                                for ($i = 0x80; $i <= 0xFF; $i++)
                                {
                                        $non_ascii_octects .= chr($i);
                                }
                        }
                        $data = substr($data, 0, strcspn($data, $non_ascii_octects));
                }

                // This is first, as behaviour of this is completely predictable
                if ($input === 'windows-1252' && $output === 'UTF-8')
                {
                        return SimplePie_Misc::windows_1252_to_utf8($data);
                }
                // This is second, as behaviour of this varies only with PHP version (the middle part of this expression checks the encoding is supported).
                elseif (function_exists('mb_convert_encoding') && @mb_convert_encoding("\x80", 'UTF-16BE', $input) !== "\x00\x80" && ($return = @mb_convert_encoding($data, $output, $input)))
                {
                        return $return;
                }
                // This is last, as behaviour of this varies with OS userland and PHP version
                elseif (function_exists('iconv') && ($return = @iconv($input, $output, $data)))
                {
                        return $return;
                }
                // If we can't do anything, just fail
                else
                {
                        return false;
                }
        }

        public static function encoding($charset)
        {
                // Normalization from UTS #22
                switch (strtolower(preg_replace('/(?:[^a-zA-Z0-9]+|([^0-9])0+)/', '\1', $charset)))
                {
                        case 'adobestandardencoding':
                        case 'csadobestandardencoding':
                                return 'Adobe-Standard-Encoding';

                        case 'adobesymbolencoding':
                        case 'cshppsmath':
                                return 'Adobe-Symbol-Encoding';

                        case 'ami1251':
                        case 'amiga1251':
                                return 'Amiga-1251';

                        case 'ansix31101983':
                        case 'csat5001983':
                        case 'csiso99naplps':
                        case 'isoir99':
                        case 'naplps':
                                return 'ANSI_X3.110-1983';

                        case 'arabic7':
                        case 'asmo449':
                        case 'csiso89asmo449':
                        case 'iso9036':
                        case 'isoir89':
                                return 'ASMO_449';

                        case 'big5':
                        case 'csbig5':
                                return 'Big5';

                        case 'big5hkscs':
                                return 'Big5-HKSCS';

                        case 'bocu1':
                        case 'csbocu1':
                                return 'BOCU-1';

                        case 'brf':
                        case 'csbrf':
                                return 'BRF';

                        case 'bs4730':
                        case 'csiso4unitedkingdom':
                        case 'gb':
                        case 'iso646gb':
                        case 'isoir4':
                        case 'uk':
                                return 'BS_4730';

                        case 'bsviewdata':
                        case 'csiso47bsviewdata':
                        case 'isoir47':
                                return 'BS_viewdata';

                        case 'cesu8':
                        case 'cscesu8':
                                return 'CESU-8';

                        case 'ca':
                        case 'csa71':
                        case 'csaz243419851':
                        case 'csiso121canadian1':
                        case 'iso646ca':
                        case 'isoir121':
                                return 'CSA_Z243.4-1985-1';

                        case 'csa72':
                        case 'csaz243419852':
                        case 'csiso122canadian2':
                        case 'iso646ca2':
                        case 'isoir122':
                                return 'CSA_Z243.4-1985-2';

                        case 'csaz24341985gr':
                        case 'csiso123csaz24341985gr':
                        case 'isoir123':
                                return 'CSA_Z243.4-1985-gr';

                        case 'csiso139csn369103':
                        case 'csn369103':
                        case 'isoir139':
                                return 'CSN_369103';

                        case 'csdecmcs':
                        case 'dec':
                        case 'decmcs':
                                return 'DEC-MCS';

                        case 'csiso21german':
                        case 'de':
                        case 'din66003':
                        case 'iso646de':
                        case 'isoir21':
                                return 'DIN_66003';

                        case 'csdkus':
                        case 'dkus':
                                return 'dk-us';

                        case 'csiso646danish':
                        case 'dk':
                        case 'ds2089':
                        case 'iso646dk':
                                return 'DS_2089';

                        case 'csibmebcdicatde':
                        case 'ebcdicatde':
                                return 'EBCDIC-AT-DE';

                        case 'csebcdicatdea':
                        case 'ebcdicatdea':
                                return 'EBCDIC-AT-DE-A';

                        case 'csebcdiccafr':
                        case 'ebcdiccafr':
                                return 'EBCDIC-CA-FR';

                        case 'csebcdicdkno':
                        case 'ebcdicdkno':
                                return 'EBCDIC-DK-NO';

                        case 'csebcdicdknoa':
                        case 'ebcdicdknoa':
                                return 'EBCDIC-DK-NO-A';

                        case 'csebcdices':
                        case 'ebcdices':
                                return 'EBCDIC-ES';

                        case 'csebcdicesa':
                        case 'ebcdicesa':
                                return 'EBCDIC-ES-A';

                        case 'csebcdicess':
                        case 'ebcdicess':
                                return 'EBCDIC-ES-S';

                        case 'csebcdicfise':
                        case 'ebcdicfise':
                                return 'EBCDIC-FI-SE';

                        case 'csebcdicfisea':
                        case 'ebcdicfisea':
                                return 'EBCDIC-FI-SE-A';

                        case 'csebcdicfr':
                        case 'ebcdicfr':
                                return 'EBCDIC-FR';

                        case 'csebcdicit':
                        case 'ebcdicit':
                                return 'EBCDIC-IT';

                        case 'csebcdicpt':
                        case 'ebcdicpt':
                                return 'EBCDIC-PT';

                        case 'csebcdicuk':
                        case 'ebcdicuk':
                                return 'EBCDIC-UK';

                        case 'csebcdicus':
                        case 'ebcdicus':
                                return 'EBCDIC-US';

                        case 'csiso111ecmacyrillic':
                        case 'ecmacyrillic':
                        case 'isoir111':
                        case 'koi8e':
                                return 'ECMA-cyrillic';

                        case 'csiso17spanish':
                        case 'es':
                        case 'iso646es':
                        case 'isoir17':
                                return 'ES';

                        case 'csiso85spanish2':
                        case 'es2':
                        case 'iso646es2':
                        case 'isoir85':
                                return 'ES2';

                        case 'cseucpkdfmtjapanese':
                        case 'eucjp':
                        case 'extendedunixcodepackedformatforjapanese':
                                return 'EUC-JP';

                        case 'cseucfixwidjapanese':
                        case 'extendedunixcodefixedwidthforjapanese':
                                return 'Extended_UNIX_Code_Fixed_Width_for_Japanese';

                        case 'gb18030':
                                return 'GB18030';

                        case 'chinese':
                        case 'cp936':
                        case 'csgb2312':
                        case 'csiso58gb231280':
                        case 'gb2312':
                        case 'gb231280':
                        case 'gbk':
                        case 'isoir58':
                        case 'ms936':
                        case 'windows936':
                                return 'GBK';

                        case 'cn':
                        case 'csiso57gb1988':
                        case 'gb198880':
                        case 'iso646cn':
                        case 'isoir57':
                                return 'GB_1988-80';

                        case 'csiso153gost1976874':
                        case 'gost1976874':
                        case 'isoir153':
                        case 'stsev35888':
                                return 'GOST_19768-74';

                        case 'csiso150':
                        case 'csiso150greekccitt':
                        case 'greekccitt':
                        case 'isoir150':
                                return 'greek-ccitt';

                        case 'csiso88greek7':
                        case 'greek7':
                        case 'isoir88':
                                return 'greek7';

                        case 'csiso18greek7old':
                        case 'greek7old':
                        case 'isoir18':
                                return 'greek7-old';

                        case 'cshpdesktop':
                        case 'hpdesktop':
                                return 'HP-DeskTop';

                        case 'cshplegal':
                        case 'hplegal':
                                return 'HP-Legal';

                        case 'cshpmath8':
                        case 'hpmath8':
                                return 'HP-Math8';

                        case 'cshppifont':
                        case 'hppifont':
                                return 'HP-Pi-font';

                        case 'cshproman8':
                        case 'hproman8':
                        case 'r8':
                        case 'roman8':
                                return 'hp-roman8';

                        case 'hzgb2312':
                                return 'HZ-GB-2312';

                        case 'csibmsymbols':
                        case 'ibmsymbols':
                                return 'IBM-Symbols';

                        case 'csibmthai':
                        case 'ibmthai':
                                return 'IBM-Thai';

                        case 'cp37':
                        case 'csibm37':
                        case 'ebcdiccpca':
                        case 'ebcdiccpnl':
                        case 'ebcdiccpus':
                        case 'ebcdiccpwt':
                        case 'ibm37':
                                return 'IBM037';

                        case 'cp38':
                        case 'csibm38':
                        case 'ebcdicint':
                        case 'ibm38':
                                return 'IBM038';

                        case 'cp273':
                        case 'csibm273':
                        case 'ibm273':
                                return 'IBM273';

                        case 'cp274':
                        case 'csibm274':
                        case 'ebcdicbe':
                        case 'ibm274':
                                return 'IBM274';

                        case 'cp275':
                        case 'csibm275':
                        case 'ebcdicbr':
                        case 'ibm275':
                                return 'IBM275';

                        case 'csibm277':
                        case 'ebcdiccpdk':
                        case 'ebcdiccpno':
                        case 'ibm277':
                                return 'IBM277';

                        case 'cp278':
                        case 'csibm278':
                        case 'ebcdiccpfi':
                        case 'ebcdiccpse':
                        case 'ibm278':
                                return 'IBM278';

                        case 'cp280':
                        case 'csibm280':
                        case 'ebcdiccpit':
                        case 'ibm280':
                                return 'IBM280';

                        case 'cp281':
                        case 'csibm281':
                        case 'ebcdicjpe':
                        case 'ibm281':
                                return 'IBM281';

                        case 'cp284':
                        case 'csibm284':
                        case 'ebcdiccpes':
                        case 'ibm284':
                                return 'IBM284';

                        case 'cp285':
                        case 'csibm285':
                        case 'ebcdiccpgb':
                        case 'ibm285':
                                return 'IBM285';

                        case 'cp290':
                        case 'csibm290':
                        case 'ebcdicjpkana':
                        case 'ibm290':
                                return 'IBM290';

                        case 'cp297':
                        case 'csibm297':
                        case 'ebcdiccpfr':
                        case 'ibm297':
                                return 'IBM297';

                        case 'cp420':
                        case 'csibm420':
                        case 'ebcdiccpar1':
                        case 'ibm420':
                                return 'IBM420';

                        case 'cp423':
                        case 'csibm423':
                        case 'ebcdiccpgr':
                        case 'ibm423':
                                return 'IBM423';

                        case 'cp424':
                        case 'csibm424':
                        case 'ebcdiccphe':
                        case 'ibm424':
                                return 'IBM424';

                        case '437':
                        case 'cp437':
                        case 'cspc8codepage437':
                        case 'ibm437':
                                return 'IBM437';

                        case 'cp500':
                        case 'csibm500':
                        case 'ebcdiccpbe':
                        case 'ebcdiccpch':
                        case 'ibm500':
                                return 'IBM500';

                        case 'cp775':
                        case 'cspc775baltic':
                        case 'ibm775':
                                return 'IBM775';

                        case '850':
                        case 'cp850':
                        case 'cspc850multilingual':
                        case 'ibm850':
                                return 'IBM850';

                        case '851':
                        case 'cp851':
                        case 'csibm851':
                        case 'ibm851':
                                return 'IBM851';

                        case '852':
                        case 'cp852':
                        case 'cspcp852':
                        case 'ibm852':
                                return 'IBM852';

                        case '855':
                        case 'cp855':
                        case 'csibm855':
                        case 'ibm855':
                                return 'IBM855';

                        case '857':
                        case 'cp857':
                        case 'csibm857':
                        case 'ibm857':
                                return 'IBM857';

                        case 'ccsid858':
                        case 'cp858':
                        case 'ibm858':
                        case 'pcmultilingual850euro':
                                return 'IBM00858';

                        case '860':
                        case 'cp860':
                        case 'csibm860':
                        case 'ibm860':
                                return 'IBM860';

                        case '861':
                        case 'cp861':
                        case 'cpis':
                        case 'csibm861':
                        case 'ibm861':
                                return 'IBM861';

                        case '862':
                        case 'cp862':
                        case 'cspc862latinhebrew':
                        case 'ibm862':
                                return 'IBM862';

                        case '863':
                        case 'cp863':
                        case 'csibm863':
                        case 'ibm863':
                                return 'IBM863';

                        case 'cp864':
                        case 'csibm864':
                        case 'ibm864':
                                return 'IBM864';

                        case '865':
                        case 'cp865':
                        case 'csibm865':
                        case 'ibm865':
                                return 'IBM865';

                        case '866':
                        case 'cp866':
                        case 'csibm866':
                        case 'ibm866':
                                return 'IBM866';

                        case 'cp868':
                        case 'cpar':
                        case 'csibm868':
                        case 'ibm868':
                                return 'IBM868';

                        case '869':
                        case 'cp869':
                        case 'cpgr':
                        case 'csibm869':
                        case 'ibm869':
                                return 'IBM869';

                        case 'cp870':
                        case 'csibm870':
                        case 'ebcdiccproece':
                        case 'ebcdiccpyu':
                        case 'ibm870':
                                return 'IBM870';

                        case 'cp871':
                        case 'csibm871':
                        case 'ebcdiccpis':
                        case 'ibm871':
                                return 'IBM871';

                        case 'cp880':
                        case 'csibm880':
                        case 'ebcdiccyrillic':
                        case 'ibm880':
                                return 'IBM880';

                        case 'cp891':
                        case 'csibm891':
                        case 'ibm891':
                                return 'IBM891';

                        case 'cp903':
                        case 'csibm903':
                        case 'ibm903':
                                return 'IBM903';

                        case '904':
                        case 'cp904':
                        case 'csibbm904':
                        case 'ibm904':
                                return 'IBM904';

                        case 'cp905':
                        case 'csibm905':
                        case 'ebcdiccptr':
                        case 'ibm905':
                                return 'IBM905';

                        case 'cp918':
                        case 'csibm918':
                        case 'ebcdiccpar2':
                        case 'ibm918':
                                return 'IBM918';

                        case 'ccsid924':
                        case 'cp924':
                        case 'ebcdiclatin9euro':
                        case 'ibm924':
                                return 'IBM00924';

                        case 'cp1026':
                        case 'csibm1026':
                        case 'ibm1026':
                                return 'IBM1026';

                        case 'ibm1047':
                                return 'IBM1047';

                        case 'ccsid1140':
                        case 'cp1140':
                        case 'ebcdicus37euro':
                        case 'ibm1140':
                                return 'IBM01140';

                        case 'ccsid1141':
                        case 'cp1141':
                        case 'ebcdicde273euro':
                        case 'ibm1141':
                                return 'IBM01141';

                        case 'ccsid1142':
                        case 'cp1142':
                        case 'ebcdicdk277euro':
                        case 'ebcdicno277euro':
                        case 'ibm1142':
                                return 'IBM01142';

                        case 'ccsid1143':
                        case 'cp1143':
                        case 'ebcdicfi278euro':
                        case 'ebcdicse278euro':
                        case 'ibm1143':
                                return 'IBM01143';

                        case 'ccsid1144':
                        case 'cp1144':
                        case 'ebcdicit280euro':
                        case 'ibm1144':
                                return 'IBM01144';

                        case 'ccsid1145':
                        case 'cp1145':
                        case 'ebcdices284euro':
                        case 'ibm1145':
                                return 'IBM01145';

                        case 'ccsid1146':
                        case 'cp1146':
                        case 'ebcdicgb285euro':
                        case 'ibm1146':
                                return 'IBM01146';

                        case 'ccsid1147':
                        case 'cp1147':
                        case 'ebcdicfr297euro':
                        case 'ibm1147':
                                return 'IBM01147';

                        case 'ccsid1148':
                        case 'cp1148':
                        case 'ebcdicinternational500euro':
                        case 'ibm1148':
                                return 'IBM01148';

                        case 'ccsid1149':
                        case 'cp1149':
                        case 'ebcdicis871euro':
                        case 'ibm1149':
                                return 'IBM01149';

                        case 'csiso143iecp271':
                        case 'iecp271':
                        case 'isoir143':
                                return 'IEC_P27-1';

                        case 'csiso49inis':
                        case 'inis':
                        case 'isoir49':
                                return 'INIS';

                        case 'csiso50inis8':
                        case 'inis8':
                        case 'isoir50':
                                return 'INIS-8';

                        case 'csiso51iniscyrillic':
                        case 'iniscyrillic':
                        case 'isoir51':
                                return 'INIS-cyrillic';

                        case 'csinvariant':
                        case 'invariant':
                                return 'INVARIANT';

                        case 'iso2022cn':
                                return 'ISO-2022-CN';

                        case 'iso2022cnext':
                                return 'ISO-2022-CN-EXT';

                        case 'csiso2022jp':
                        case 'iso2022jp':
                                return 'ISO-2022-JP';

                        case 'csiso2022jp2':
                        case 'iso2022jp2':
                                return 'ISO-2022-JP-2';

                        case 'csiso2022kr':
                        case 'iso2022kr':
                                return 'ISO-2022-KR';

                        case 'cswindows30latin1':
                        case 'iso88591windows30latin1':
                                return 'ISO-8859-1-Windows-3.0-Latin-1';

                        case 'cswindows31latin1':
                        case 'iso88591windows31latin1':
                                return 'ISO-8859-1-Windows-3.1-Latin-1';

                        case 'csisolatin2':
                        case 'iso88592':
                        case 'iso885921987':
                        case 'isoir101':
                        case 'l2':
                        case 'latin2':
                                return 'ISO-8859-2';

                        case 'cswindows31latin2':
                        case 'iso88592windowslatin2':
                                return 'ISO-8859-2-Windows-Latin-2';

                        case 'csisolatin3':
                        case 'iso88593':
                        case 'iso885931988':
                        case 'isoir109':
                        case 'l3':
                        case 'latin3':
                                return 'ISO-8859-3';

                        case 'csisolatin4':
                        case 'iso88594':
                        case 'iso885941988':
                        case 'isoir110':
                        case 'l4':
                        case 'latin4':
                                return 'ISO-8859-4';

                        case 'csisolatincyrillic':
                        case 'cyrillic':
                        case 'iso88595':
                        case 'iso885951988':
                        case 'isoir144':
                                return 'ISO-8859-5';

                        case 'arabic':
                        case 'asmo708':
                        case 'csisolatinarabic':
                        case 'ecma114':
                        case 'iso88596':
                        case 'iso885961987':
                        case 'isoir127':
                                return 'ISO-8859-6';

                        case 'csiso88596e':
                        case 'iso88596e':
                                return 'ISO-8859-6-E';

                        case 'csiso88596i':
                        case 'iso88596i':
                                return 'ISO-8859-6-I';

                        case 'csisolatingreek':
                        case 'ecma118':
                        case 'elot928':
                        case 'greek':
                        case 'greek8':
                        case 'iso88597':
                        case 'iso885971987':
                        case 'isoir126':
                                return 'ISO-8859-7';

                        case 'csisolatinhebrew':
                        case 'hebrew':
                        case 'iso88598':
                        case 'iso885981988':
                        case 'isoir138':
                                return 'ISO-8859-8';

                        case 'csiso88598e':
                        case 'iso88598e':
                                return 'ISO-8859-8-E';

                        case 'csiso88598i':
                        case 'iso88598i':
                                return 'ISO-8859-8-I';

                        case 'cswindows31latin5':
                        case 'iso88599windowslatin5':
                                return 'ISO-8859-9-Windows-Latin-5';

                        case 'csisolatin6':
                        case 'iso885910':
                        case 'iso8859101992':
                        case 'isoir157':
                        case 'l6':
                        case 'latin6':
                                return 'ISO-8859-10';

                        case 'iso885913':
                                return 'ISO-8859-13';

                        case 'iso885914':
                        case 'iso8859141998':
                        case 'isoceltic':
                        case 'isoir199':
                        case 'l8':
                        case 'latin8':
                                return 'ISO-8859-14';

                        case 'iso885915':
                        case 'latin9':
                                return 'ISO-8859-15';

                        case 'iso885916':
                        case 'iso8859162001':
                        case 'isoir226':
                        case 'l10':
                        case 'latin10':
                                return 'ISO-8859-16';

                        case 'iso10646j1':
                                return 'ISO-10646-J-1';

                        case 'csunicode':
                        case 'iso10646ucs2':
                                return 'ISO-10646-UCS-2';

                        case 'csucs4':
                        case 'iso10646ucs4':
                                return 'ISO-10646-UCS-4';

                        case 'csunicodeascii':
                        case 'iso10646ucsbasic':
                                return 'ISO-10646-UCS-Basic';

                        case 'csunicodelatin1':
                        case 'iso10646':
                        case 'iso10646unicodelatin1':
                                return 'ISO-10646-Unicode-Latin1';

                        case 'csiso10646utf1':
                        case 'iso10646utf1':
                                return 'ISO-10646-UTF-1';

                        case 'csiso115481':
                        case 'iso115481':
                        case 'isotr115481':
                                return 'ISO-11548-1';

                        case 'csiso90':
                        case 'isoir90':
                                return 'iso-ir-90';

                        case 'csunicodeibm1261':
                        case 'isounicodeibm1261':
                                return 'ISO-Unicode-IBM-1261';

                        case 'csunicodeibm1264':
                        case 'isounicodeibm1264':
                                return 'ISO-Unicode-IBM-1264';

                        case 'csunicodeibm1265':
                        case 'isounicodeibm1265':
                                return 'ISO-Unicode-IBM-1265';

                        case 'csunicodeibm1268':
                        case 'isounicodeibm1268':
                                return 'ISO-Unicode-IBM-1268';

                        case 'csunicodeibm1276':
                        case 'isounicodeibm1276':
                                return 'ISO-Unicode-IBM-1276';

                        case 'csiso646basic1983':
                        case 'iso646basic1983':
                        case 'ref':
                                return 'ISO_646.basic:1983';

                        case 'csiso2intlrefversion':
                        case 'irv':
                        case 'iso646irv1983':
                        case 'isoir2':
                                return 'ISO_646.irv:1983';

                        case 'csiso2033':
                        case 'e13b':
                        case 'iso20331983':
                        case 'isoir98':
                                return 'ISO_2033-1983';

                        case 'csiso5427cyrillic':
                        case 'iso5427':
                        case 'isoir37':
                                return 'ISO_5427';

                        case 'iso5427cyrillic1981':
                        case 'iso54271981':
                        case 'isoir54':
                                return 'ISO_5427:1981';

                        case 'csiso5428greek':
                        case 'iso54281980':
                        case 'isoir55':
                                return 'ISO_5428:1980';

                        case 'csiso6937add':
                        case 'iso6937225':
                        case 'isoir152':
                                return 'ISO_6937-2-25';

                        case 'csisotextcomm':
                        case 'iso69372add':
                        case 'isoir142':
                                return 'ISO_6937-2-add';

                        case 'csiso8859supp':
                        case 'iso8859supp':
                        case 'isoir154':
                        case 'latin125':
                                return 'ISO_8859-supp';

                        case 'csiso10367box':
                        case 'iso10367box':
                        case 'isoir155':
                                return 'ISO_10367-box';

                        case 'csiso15italian':
                        case 'iso646it':
                        case 'isoir15':
                        case 'it':
                                return 'IT';

                        case 'csiso13jisc6220jp':
                        case 'isoir13':
                        case 'jisc62201969':
                        case 'jisc62201969jp':
                        case 'katakana':
                        case 'x2017':
                                return 'JIS_C6220-1969-jp';

                        case 'csiso14jisc6220ro':
                        case 'iso646jp':
                        case 'isoir14':
                        case 'jisc62201969ro':
                        case 'jp':
                                return 'JIS_C6220-1969-ro';

                        case 'csiso42jisc62261978':
                        case 'isoir42':
                        case 'jisc62261978':
                                return 'JIS_C6226-1978';

                        case 'csiso87jisx208':
                        case 'isoir87':
                        case 'jisc62261983':
                        case 'jisx2081983':
                        case 'x208':
                                return 'JIS_C6226-1983';

                        case 'csiso91jisc62291984a':
                        case 'isoir91':
                        case 'jisc62291984a':
                        case 'jpocra':
                                return 'JIS_C6229-1984-a';

                        case 'csiso92jisc62991984b':
                        case 'iso646jpocrb':
                        case 'isoir92':
                        case 'jisc62291984b':
                        case 'jpocrb':
                                return 'JIS_C6229-1984-b';

                        case 'csiso93jis62291984badd':
                        case 'isoir93':
                        case 'jisc62291984badd':
                        case 'jpocrbadd':
                                return 'JIS_C6229-1984-b-add';

                        case 'csiso94jis62291984hand':
                        case 'isoir94':
                        case 'jisc62291984hand':
                        case 'jpocrhand':
                                return 'JIS_C6229-1984-hand';

                        case 'csiso95jis62291984handadd':
                        case 'isoir95':
                        case 'jisc62291984handadd':
                        case 'jpocrhandadd':
                                return 'JIS_C6229-1984-hand-add';

                        case 'csiso96jisc62291984kana':
                        case 'isoir96':
                        case 'jisc62291984kana':
                                return 'JIS_C6229-1984-kana';

                        case 'csjisencoding':
                        case 'jisencoding':
                                return 'JIS_Encoding';

                        case 'cshalfwidthkatakana':
                        case 'jisx201':
                        case 'x201':
                                return 'JIS_X0201';

                        case 'csiso159jisx2121990':
                        case 'isoir159':
                        case 'jisx2121990':
                        case 'x212':
                                return 'JIS_X0212-1990';

                        case 'csiso141jusib1002':
                        case 'iso646yu':
                        case 'isoir141':
                        case 'js':
                        case 'jusib1002':
                        case 'yu':
                                return 'JUS_I.B1.002';

                        case 'csiso147macedonian':
                        case 'isoir147':
                        case 'jusib1003mac':
                        case 'macedonian':
                                return 'JUS_I.B1.003-mac';

                        case 'csiso146serbian':
                        case 'isoir146':
                        case 'jusib1003serb':
                        case 'serbian':
                                return 'JUS_I.B1.003-serb';

                        case 'koi7switched':
                                return 'KOI7-switched';

                        case 'cskoi8r':
                        case 'koi8r':
                                return 'KOI8-R';

                        case 'koi8u':
                                return 'KOI8-U';

                        case 'csksc5636':
                        case 'iso646kr':
                        case 'ksc5636':
                                return 'KSC5636';

                        case 'cskz1048':
                        case 'kz1048':
                        case 'rk1048':
                        case 'strk10482002':
                                return 'KZ-1048';

                        case 'csiso19latingreek':
                        case 'isoir19':
                        case 'latingreek':
                                return 'latin-greek';

                        case 'csiso27latingreek1':
                        case 'isoir27':
                        case 'latingreek1':
                                return 'Latin-greek-1';

                        case 'csiso158lap':
                        case 'isoir158':
                        case 'lap':
                        case 'latinlap':
                                return 'latin-lap';

                        case 'csmacintosh':
                        case 'mac':
                        case 'macintosh':
                                return 'macintosh';

                        case 'csmicrosoftpublishing':
                        case 'microsoftpublishing':
                                return 'Microsoft-Publishing';

                        case 'csmnem':
                        case 'mnem':
                                return 'MNEM';

                        case 'csmnemonic':
                        case 'mnemonic':
                                return 'MNEMONIC';

                        case 'csiso86hungarian':
                        case 'hu':
                        case 'iso646hu':
                        case 'isoir86':
                        case 'msz77953':
                                return 'MSZ_7795.3';

                        case 'csnatsdano':
                        case 'isoir91':
                        case 'natsdano':
                                return 'NATS-DANO';

                        case 'csnatsdanoadd':
                        case 'isoir92':
                        case 'natsdanoadd':
                                return 'NATS-DANO-ADD';

                        case 'csnatssefi':
                        case 'isoir81':
                        case 'natssefi':
                                return 'NATS-SEFI';

                        case 'csnatssefiadd':
                        case 'isoir82':
                        case 'natssefiadd':
                                return 'NATS-SEFI-ADD';

                        case 'csiso151cuba':
                        case 'cuba':
                        case 'iso646cu':
                        case 'isoir151':
                        case 'ncnc1081':
                                return 'NC_NC00-10:81';

                        case 'csiso69french':
                        case 'fr':
                        case 'iso646fr':
                        case 'isoir69':
                        case 'nfz62010':
                                return 'NF_Z_62-010';

                        case 'csiso25french':
                        case 'iso646fr1':
                        case 'isoir25':
                        case 'nfz620101973':
                                return 'NF_Z_62-010_(1973)';

                        case 'csiso60danishnorwegian':
                        case 'csiso60norwegian1':
                        case 'iso646no':
                        case 'isoir60':
                        case 'no':
                        case 'ns45511':
                                return 'NS_4551-1';

                        case 'csiso61norwegian2':
                        case 'iso646no2':
                        case 'isoir61':
                        case 'no2':
                        case 'ns45512':
                                return 'NS_4551-2';

                        case 'osdebcdicdf3irv':
                                return 'OSD_EBCDIC_DF03_IRV';

                        case 'osdebcdicdf41':
                                return 'OSD_EBCDIC_DF04_1';

                        case 'osdebcdicdf415':
                                return 'OSD_EBCDIC_DF04_15';

                        case 'cspc8danishnorwegian':
                        case 'pc8danishnorwegian':
                                return 'PC8-Danish-Norwegian';

                        case 'cspc8turkish':
                        case 'pc8turkish':
                                return 'PC8-Turkish';

                        case 'csiso16portuguese':
                        case 'iso646pt':
                        case 'isoir16':
                        case 'pt':
                                return 'PT';

                        case 'csiso84portuguese2':
                        case 'iso646pt2':
                        case 'isoir84':
                        case 'pt2':
                                return 'PT2';

                        case 'cp154':
                        case 'csptcp154':
                        case 'cyrillicasian':
                        case 'pt154':
                        case 'ptcp154':
                                return 'PTCP154';

                        case 'scsu':
                                return 'SCSU';

                        case 'csiso10swedish':
                        case 'fi':
                        case 'iso646fi':
                        case 'iso646se':
                        case 'isoir10':
                        case 'se':
                        case 'sen850200b':
                                return 'SEN_850200_B';

                        case 'csiso11swedishfornames':
                        case 'iso646se2':
                        case 'isoir11':
                        case 'se2':
                        case 'sen850200c':
                                return 'SEN_850200_C';

                        case 'csiso102t617bit':
                        case 'isoir102':
                        case 't617bit':
                                return 'T.61-7bit';

                        case 'csiso103t618bit':
                        case 'isoir103':
                        case 't61':
                        case 't618bit':
                                return 'T.61-8bit';

                        case 'csiso128t101g2':
                        case 'isoir128':
                        case 't101g2':
                                return 'T.101-G2';

                        case 'cstscii':
                        case 'tscii':
                                return 'TSCII';

                        case 'csunicode11':
                        case 'unicode11':
                                return 'UNICODE-1-1';

                        case 'csunicode11utf7':
                        case 'unicode11utf7':
                                return 'UNICODE-1-1-UTF-7';

                        case 'csunknown8bit':
                        case 'unknown8bit':
                                return 'UNKNOWN-8BIT';

                        case 'ansix341968':
                        case 'ansix341986':
                        case 'ascii':
                        case 'cp367':
                        case 'csascii':
                        case 'ibm367':
                        case 'iso646irv1991':
                        case 'iso646us':
                        case 'isoir6':
                        case 'us':
                        case 'usascii':
                                return 'US-ASCII';

                        case 'csusdk':
                        case 'usdk':
                                return 'us-dk';

                        case 'utf7':
                                return 'UTF-7';

                        case 'utf8':
                                return 'UTF-8';

                        case 'utf16':
                                return 'UTF-16';

                        case 'utf16be':
                                return 'UTF-16BE';

                        case 'utf16le':
                                return 'UTF-16LE';

                        case 'utf32':
                                return 'UTF-32';

                        case 'utf32be':
                                return 'UTF-32BE';

                        case 'utf32le':
                                return 'UTF-32LE';

                        case 'csventurainternational':
                        case 'venturainternational':
                                return 'Ventura-International';

                        case 'csventuramath':
                        case 'venturamath':
                                return 'Ventura-Math';

                        case 'csventuraus':
                        case 'venturaus':
                                return 'Ventura-US';

                        case 'csiso70videotexsupp1':
                        case 'isoir70':
                        case 'videotexsuppl':
                                return 'videotex-suppl';

                        case 'csviqr':
                        case 'viqr':
                                return 'VIQR';

                        case 'csviscii':
                        case 'viscii':
                                return 'VISCII';

                        case 'csshiftjis':
                        case 'cswindows31j':
                        case 'mskanji':
                        case 'shiftjis':
                        case 'windows31j':
                                return 'Windows-31J';

                        case 'iso885911':
                        case 'tis620':
                                return 'windows-874';

                        case 'cseuckr':
                        case 'csksc56011987':
                        case 'euckr':
                        case 'isoir149':
                        case 'korean':
                        case 'ksc5601':
                        case 'ksc56011987':
                        case 'ksc56011989':
                        case 'windows949':
                                return 'windows-949';

                        case 'windows1250':
                                return 'windows-1250';

                        case 'windows1251':
                                return 'windows-1251';

                        case 'cp819':
                        case 'csisolatin1':
                        case 'ibm819':
                        case 'iso88591':
                        case 'iso885911987':
                        case 'isoir100':
                        case 'l1':
                        case 'latin1':
                        case 'windows1252':
                                return 'windows-1252';

                        case 'windows1253':
                                return 'windows-1253';

                        case 'csisolatin5':
                        case 'iso88599':
                        case 'iso885991989':
                        case 'isoir148':
                        case 'l5':
                        case 'latin5':
                        case 'windows1254':
                                return 'windows-1254';

                        case 'windows1255':
                                return 'windows-1255';

                        case 'windows1256':
                                return 'windows-1256';

                        case 'windows1257':
                                return 'windows-1257';

                        case 'windows1258':
                                return 'windows-1258';

                        default:
                                return $charset;
                }
        }

        public static function get_curl_version()
        {
                if (is_array($curl = curl_version()))
                {
                        $curl = $curl['version'];
                }
                elseif (substr($curl, 0, 5) === 'curl/')
                {
                        $curl = substr($curl, 5, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 5));
                }
                elseif (substr($curl, 0, 8) === 'libcurl/')
                {
                        $curl = substr($curl, 8, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 8));
                }
                else
                {
                        $curl = 0;
                }
                return $curl;
        }

        public static function is_subclass_of($class1, $class2)
        {
                if (func_num_args() !== 2)
                {
                        trigger_error('Wrong parameter count for SimplePie_Misc::is_subclass_of()', E_USER_WARNING);
                }
                elseif (version_compare(PHP_VERSION, '5.0.3', '>=') || is_object($class1))
                {
                        return is_subclass_of($class1, $class2);
                }
                elseif (is_string($class1) && is_string($class2))
                {
                        if (class_exists($class1))
                        {
                                if (class_exists($class2))
                                {
                                        $class2 = strtolower($class2);
                                        while ($class1 = strtolower(get_parent_class($class1)))
                                        {
                                                if ($class1 === $class2)
                                                {
                                                        return true;
                                                }
                                        }
                                }
                        }
                        else
                        {
                                trigger_error('Unknown class passed as parameter', E_USER_WARNNG);
                        }
                }
                return false;
        }

        public static function strip_comments($data)
        {
                $output = '';
                while (($start = strpos($data, '<!--')) !== false)
                {
                        $output .= substr($data, 0, $start);
                        if (($end = strpos($data, '-->', $start)) !== false)
                        {
                                $data = substr_replace($data, '', 0, $end + 3);
                        }
                        else
                        {
                                $data = '';
                        }
                }
                return $output . $data;
        }

        public static function parse_date($dt)
        {
                $parser = SimplePie_Parse_Date::get();
                return $parser->parse($dt);
        }

        public static function entities_decode($data)
        {
                $decoder = new SimplePie_Decode_HTML_Entities($data);
                return $decoder->parse();
        }

        public static function uncomment_rfc822($string)
        {
                $string = (string) $string;
                $position = 0;
                $length = strlen($string);
                $depth = 0;

                $output = '';

                while ($position < $length && ($pos = strpos($string, '(', $position)) !== false)
                {
                        $output .= substr($string, $position, $pos - $position);
                        $position = $pos + 1;
                        if ($string[$pos - 1] !== '\\')
                        {
                                $depth++;
                                while ($depth && $position < $length)
                                {
                                        $position += strcspn($string, '()', $position);
                                        if ($string[$position - 1] === '\\')
                                        {
                                                $position++;
                                                continue;
                                        }
                                        elseif (isset($string[$position]))
                                        {
                                                switch ($string[$position])
                                                {
                                                        case '(':
                                                                $depth++;
                                                                break;

                                                        case ')':
                                                                $depth--;
                                                                break;
                                                }
                                                $position++;
                                        }
                                        else
                                        {
                                                break;
                                        }
                                }
                        }
                        else
                        {
                                $output .= '(';
                        }
                }
                $output .= substr($string, $position);

                return $output;
        }

        public static function parse_mime($mime)
        {
                if (($pos = strpos($mime, ';')) === false)
                {
                        return trim($mime);
                }
                else
                {
                        return trim(substr($mime, 0, $pos));
                }
        }

        public static function htmlspecialchars_decode($string, $quote_style)
        {
                if (function_exists('htmlspecialchars_decode'))
                {
                        return htmlspecialchars_decode($string, $quote_style);
                }
                else
                {
                        return strtr($string, array_flip(get_html_translation_table(HTML_SPECIALCHARS, $quote_style)));
                }
        }

        public static function atom_03_construct_type($attribs)
        {
                if (isset($attribs['']['mode']) && strtolower(trim($attribs['']['mode']) === 'base64'))
                {
                        $mode = SIMPLEPIE_CONSTRUCT_BASE64;
                }
                else
                {
                        $mode = SIMPLEPIE_CONSTRUCT_NONE;
                }
                if (isset($attribs['']['type']))
                {
                        switch (strtolower(trim($attribs['']['type'])))
                        {
                                case 'text':
                                case 'text/plain':
                                        return SIMPLEPIE_CONSTRUCT_TEXT | $mode;

                                case 'html':
                                case 'text/html':
                                        return SIMPLEPIE_CONSTRUCT_HTML | $mode;

                                case 'xhtml':
                                case 'application/xhtml+xml':
                                        return SIMPLEPIE_CONSTRUCT_XHTML | $mode;

                                default:
                                        return SIMPLEPIE_CONSTRUCT_NONE | $mode;
                        }
                }
                else
                {
                        return SIMPLEPIE_CONSTRUCT_TEXT | $mode;
                }
        }

        public static function atom_10_construct_type($attribs)
        {
                if (isset($attribs['']['type']))
                {
                        switch (strtolower(trim($attribs['']['type'])))
                        {
                                case 'text':
                                        return SIMPLEPIE_CONSTRUCT_TEXT;

                                case 'html':
                                        return SIMPLEPIE_CONSTRUCT_HTML;

                                case 'xhtml':
                                        return SIMPLEPIE_CONSTRUCT_XHTML;

                                default:
                                        return SIMPLEPIE_CONSTRUCT_NONE;
                        }
                }
                return SIMPLEPIE_CONSTRUCT_TEXT;
        }

        public static function atom_10_content_construct_type($attribs)
        {
                if (isset($attribs['']['type']))
                {
                        $type = strtolower(trim($attribs['']['type']));
                        switch ($type)
                        {
                                case 'text':
                                        return SIMPLEPIE_CONSTRUCT_TEXT;

                                case 'html':
                                        return SIMPLEPIE_CONSTRUCT_HTML;

                                case 'xhtml':
                                        return SIMPLEPIE_CONSTRUCT_XHTML;
                        }
                        if (in_array(substr($type, -4), array('+xml', '/xml')) || substr($type, 0, 5) === 'text/')
                        {
                                return SIMPLEPIE_CONSTRUCT_NONE;
                        }
                        else
                        {
                                return SIMPLEPIE_CONSTRUCT_BASE64;
                        }
                }
                else
                {
                        return SIMPLEPIE_CONSTRUCT_TEXT;
                }
        }

        public static function is_isegment_nz_nc($string)
        {
                return (bool) preg_match('/^([A-Za-z0-9\-._~\x{A0}-\x{D7FF}\x{F900}-\x{FDCF}\x{FDF0}-\x{FFEF}\x{10000}-\x{1FFFD}\x{20000}-\x{2FFFD}\x{30000}-\x{3FFFD}\x{40000}-\x{4FFFD}\x{50000}-\x{5FFFD}\x{60000}-\x{6FFFD}\x{70000}-\x{7FFFD}\x{80000}-\x{8FFFD}\x{90000}-\x{9FFFD}\x{A0000}-\x{AFFFD}\x{B0000}-\x{BFFFD}\x{C0000}-\x{CFFFD}\x{D0000}-\x{DFFFD}\x{E1000}-\x{EFFFD}!$&\'()*+,;=@]|(%[0-9ABCDEF]{2}))+$/u', $string);
        }

        public static function space_seperated_tokens($string)
        {
                $space_characters = "\x20\x09\x0A\x0B\x0C\x0D";
                $string_length = strlen($string);

                $position = strspn($string, $space_characters);
                $tokens = array();

                while ($position < $string_length)
                {
                        $len = strcspn($string, $space_characters, $position);
                        $tokens[] = substr($string, $position, $len);
                        $position += $len;
                        $position += strspn($string, $space_characters, $position);
                }

                return $tokens;
        }

        public static function array_unique($array)
        {
                if (version_compare(PHP_VERSION, '5.2', '>='))
                {
                        return array_unique($array);
                }
                else
                {
                        $array = (array) $array;
                        $new_array = array();
                        $new_array_strings = array();
                        foreach ($array as $key => $value)
                        {
                                if (is_object($value))
                                {
                                        if (method_exists($value, '__toString'))
                                        {
                                                $cmp = $value->__toString();
                                        }
                                        else
                                        {
                                                trigger_error('Object of class ' . get_class($value) . ' could not be converted to string', E_USER_ERROR);
                                        }
                                }
                                elseif (is_array($value))
                                {
                                        $cmp = (string) reset($value);
                                }
                                else
                                {
                                        $cmp = (string) $value;
                                }
                                if (!in_array($cmp, $new_array_strings))
                                {
                                        $new_array[$key] = $value;
                                        $new_array_strings[] = $cmp;
                                }
                        }
                        return $new_array;
                }
        }

        public static function codepoint_to_utf8($codepoint)
        {
                $codepoint = (int) $codepoint;
                if ($codepoint < 0)
                {
                        return false;
                }
                else if ($codepoint <= 0x7f)
                {
                        return chr($codepoint);
                }
                else if ($codepoint <= 0x7ff)
                {
                        return chr(0xc0 | ($codepoint >> 6)) . chr(0x80 | ($codepoint & 0x3f));
                }
                else if ($codepoint <= 0xffff)
                {
                        return chr(0xe0 | ($codepoint >> 12)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f));
                }
                else if ($codepoint <= 0x10ffff)
                {
                        return chr(0xf0 | ($codepoint >> 18)) . chr(0x80 | (($codepoint >> 12) & 0x3f)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f));
                }
                else
                {
                        // U+FFFD REPLACEMENT CHARACTER
                        return "\xEF\xBF\xBD";
                }
        }

        public static function parse_str($str)
        {
                $return = array();
                $str = explode('&', $str);

                foreach ($str as $section)
                {
                        if (strpos($section, '=') !== false)
                        {
                                list($name, $value) = explode('=', $section, 2);
                                $return[urldecode($name)][] = urldecode($value);
                        }
                        else
                        {
                                $return[urldecode($section)][] = null;
                        }
                }

                return $return;
        }

        public static function xml_encoding($data)
        {
                // UTF-32 Big Endian BOM
                if (substr($data, 0, 4) === "\x00\x00\xFE\xFF")
                {
                        $encoding[] = 'UTF-32BE';
                }
                // UTF-32 Little Endian BOM
                elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00")
                {
                        $encoding[] = 'UTF-32LE';
                }
                // UTF-16 Big Endian BOM
                elseif (substr($data, 0, 2) === "\xFE\xFF")
                {
                        $encoding[] = 'UTF-16BE';
                }
                // UTF-16 Little Endian BOM
                elseif (substr($data, 0, 2) === "\xFF\xFE")
                {
                        $encoding[] = 'UTF-16LE';
                }
                // UTF-8 BOM
                elseif (substr($data, 0, 3) === "\xEF\xBB\xBF")
                {
                        $encoding[] = 'UTF-8';
                }
                // UTF-32 Big Endian Without BOM
                elseif (substr($data, 0, 20) === "\x00\x00\x00\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C")
                {
                        if ($pos = strpos($data, "\x00\x00\x00\x3F\x00\x00\x00\x3E"))
                        {
                                $parser = new SimplePie_XML_Declaration_Parser(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32BE', 'UTF-8'));
                                if ($parser->parse())
                                {
                                        $encoding[] = $parser->encoding;
                                }
                        }
                        $encoding[] = 'UTF-32BE';
                }
                // UTF-32 Little Endian Without BOM
                elseif (substr($data, 0, 20) === "\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C\x00\x00\x00")
                {
                        if ($pos = strpos($data, "\x3F\x00\x00\x00\x3E\x00\x00\x00"))
                        {
                                $parser = new SimplePie_XML_Declaration_Parser(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32LE', 'UTF-8'));
                                if ($parser->parse())
                                {
                                        $encoding[] = $parser->encoding;
                                }
                        }
                        $encoding[] = 'UTF-32LE';
                }
                // UTF-16 Big Endian Without BOM
                elseif (substr($data, 0, 10) === "\x00\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C")
                {
                        if ($pos = strpos($data, "\x00\x3F\x00\x3E"))
                        {
                                $parser = new SimplePie_XML_Declaration_Parser(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16BE', 'UTF-8'));
                                if ($parser->parse())
                                {
                                        $encoding[] = $parser->encoding;
                                }
                        }
                        $encoding[] = 'UTF-16BE';
                }
                // UTF-16 Little Endian Without BOM
                elseif (substr($data, 0, 10) === "\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C\x00")
                {
                        if ($pos = strpos($data, "\x3F\x00\x3E\x00"))
                        {
                                $parser = new SimplePie_XML_Declaration_Parser(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16LE', 'UTF-8'));
                                if ($parser->parse())
                                {
                                        $encoding[] = $parser->encoding;
                                }
                        }
                        $encoding[] = 'UTF-16LE';
                }
                // US-ASCII (or superset)
                elseif (substr($data, 0, 5) === "\x3C\x3F\x78\x6D\x6C")
                {
                        if ($pos = strpos($data, "\x3F\x3E"))
                        {
                                $parser = new SimplePie_XML_Declaration_Parser(substr($data, 5, $pos - 5));
                                if ($parser->parse())
                                {
                                        $encoding[] = $parser->encoding;
                                }
                        }
                        $encoding[] = 'UTF-8';
                }
                // Fallback to UTF-8
                else
                {
                        $encoding[] = 'UTF-8';
                }
                return $encoding;
        }

        public static function output_javascript()
        {
                if (function_exists('ob_gzhandler'))
                {
                        ob_start('ob_gzhandler');
                }
                header('Content-type: text/javascript; charset: UTF-8');
                header('Cache-Control: must-revalidate');
                header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 604800) . ' GMT'); // 7 days
                ?>
function embed_odeo(link) {
        document.writeln('<embed src="http://odeo.com/flash/audio_player_fullsize.swf" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="440" height="80" wmode="transparent" allowScriptAccess="any" flashvars="valid_sample_rate=true&external_url='+link+'"></embed>');
}

function embed_quicktime(type, bgcolor, width, height, link, placeholder, loop) {
        if (placeholder != '') {
                document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" href="'+link+'" src="'+placeholder+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="false" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>');
        }
        else {
                document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" src="'+link+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="true" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>');
        }
}

function embed_flash(bgcolor, width, height, link, loop, type) {
        document.writeln('<embed src="'+link+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="'+type+'" quality="high" width="'+width+'" height="'+height+'" bgcolor="'+bgcolor+'" loop="'+loop+'"></embed>');
}

function embed_flv(width, height, link, placeholder, loop, player) {
        document.writeln('<embed src="'+player+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="'+width+'" height="'+height+'" wmode="transparent" flashvars="file='+link+'&autostart=false&repeat='+loop+'&showdigits=true&showfsbutton=false"></embed>');
}

function embed_wmedia(width, height, link) {
        document.writeln('<embed type="application/x-mplayer2" src="'+link+'" autosize="1" width="'+width+'" height="'+height+'" showcontrols="1" showstatusbar="0" showdisplay="0" autostart="0"></embed>');
}
                <?php
        }
}

class SimplePie_Decode_HTML_Entities
{
        var $data = '';

        var $consumed = '';

        var $position = 0;

        public function __construct($data)
        {
                $this->data = $data;
        }

        public function parse()
        {
                while (($this->position = strpos($this->data, '&', $this->position)) !== false)
                {
                        $this->consume();
                        $this->entity();
                        $this->consumed = '';
                }
                return $this->data;
        }

        public function consume()
        {
                if (isset($this->data[$this->position]))
                {
                        $this->consumed .= $this->data[$this->position];
                        return $this->data[$this->position++];
                }
                else
                {
                        return false;
                }
        }

        public function consume_range($chars)
        {
                if ($len = strspn($this->data, $chars, $this->position))
                {
                        $data = substr($this->data, $this->position, $len);
                        $this->consumed .= $data;
                        $this->position += $len;
                        return $data;
                }
                else
                {
                        return false;
                }
        }

        public function unconsume()
        {
                $this->consumed = substr($this->consumed, 0, -1);
                $this->position--;
        }

        public function entity()
        {
                switch ($this->consume())
                {
                        case "\x09":
                        case "\x0A":
                        case "\x0B":
                        case "\x0B":
                        case "\x0C":
                        case "\x20":
                        case "\x3C":
                        case "\x26":
                        case false:
                                break;

                        case "\x23":
                                switch ($this->consume())
                                {
                                        case "\x78":
                                        case "\x58":
                                                $range = '0123456789ABCDEFabcdef';
                                                $hex = true;
                                                break;

                                        default:
                                                $range = '0123456789';
                                                $hex = false;
                                                $this->unconsume();
                                                break;
                                }

                                if ($codepoint = $this->consume_range($range))
                                {
                                        static $windows_1252_specials = array(0x0D => "\x0A", 0x80 => "\xE2\x82\xAC", 0x81 => "\xEF\xBF\xBD", 0x82 => "\xE2\x80\x9A", 0x83 => "\xC6\x92", 0x84 => "\xE2\x80\x9E", 0x85 => "\xE2\x80\xA6", 0x86 => "\xE2\x80\xA0", 0x87 => "\xE2\x80\xA1", 0x88 => "\xCB\x86", 0x89 => "\xE2\x80\xB0", 0x8A => "\xC5\xA0", 0x8B => "\xE2\x80\xB9", 0x8C => "\xC5\x92", 0x8D => "\xEF\xBF\xBD", 0x8E => "\xC5\xBD", 0x8F => "\xEF\xBF\xBD", 0x90 => "\xEF\xBF\xBD", 0x91 => "\xE2\x80\x98", 0x92 => "\xE2\x80\x99", 0x93 => "\xE2\x80\x9C", 0x94 => "\xE2\x80\x9D", 0x95 => "\xE2\x80\xA2", 0x96 => "\xE2\x80\x93", 0x97 => "\xE2\x80\x94", 0x98 => "\xCB\x9C", 0x99 => "\xE2\x84\xA2", 0x9A => "\xC5\xA1", 0x9B => "\xE2\x80\xBA", 0x9C => "\xC5\x93", 0x9D => "\xEF\xBF\xBD", 0x9E => "\xC5\xBE", 0x9F => "\xC5\xB8");

                                        if ($hex)
                                        {
                                                $codepoint = hexdec($codepoint);
                                        }
                                        else
                                        {
                                                $codepoint = intval($codepoint);
                                        }

                                        if (isset($windows_1252_specials[$codepoint]))
                                        {
                                                $replacement = $windows_1252_specials[$codepoint];
                                        }
                                        else
                                        {
                                                $replacement = SimplePie_Misc::codepoint_to_utf8($codepoint);
                                        }

                                        if (!in_array($this->consume(), array(';', false), true))
                                        {
                                                $this->unconsume();
                                        }

                                        $consumed_length = strlen($this->consumed);
                                        $this->data = substr_replace($this->data, $replacement, $this->position - $consumed_length, $consumed_length);
                                        $this->position += strlen($replacement) - $consumed_length;
                                }
                                break;

                        default:
                                static $entities = array('Aacute' => "\xC3\x81", 'aacute' => "\xC3\xA1", 'Aacute;' => "\xC3\x81", 'aacute;' => "\xC3\xA1", 'Acirc' => "\xC3\x82", 'acirc' => "\xC3\xA2", 'Acirc;' => "\xC3\x82", 'acirc;' => "\xC3\xA2", 'acute' => "\xC2\xB4", 'acute;' => "\xC2\xB4", 'AElig' => "\xC3\x86", 'aelig' => "\xC3\xA6", 'AElig;' => "\xC3\x86", 'aelig;' => "\xC3\xA6", 'Agrave' => "\xC3\x80", 'agrave' => "\xC3\xA0", 'Agrave;' => "\xC3\x80", 'agrave;' => "\xC3\xA0", 'alefsym;' => "\xE2\x84\xB5", 'Alpha;' => "\xCE\x91", 'alpha;' => "\xCE\xB1", 'AMP' => "\x26", 'amp' => "\x26", 'AMP;' => "\x26", 'amp;' => "\x26", 'and;' => "\xE2\x88\xA7", 'ang;' => "\xE2\x88\xA0", 'apos;' => "\x27", 'Aring' => "\xC3\x85", 'aring' => "\xC3\xA5", 'Aring;' => "\xC3\x85", 'aring;' => "\xC3\xA5", 'asymp;' => "\xE2\x89\x88", 'Atilde' => "\xC3\x83", 'atilde' => "\xC3\xA3", 'Atilde;' => "\xC3\x83", 'atilde;' => "\xC3\xA3", 'Auml' => "\xC3\x84", 'auml' => "\xC3\xA4", 'Auml;' => "\xC3\x84", 'auml;' => "\xC3\xA4", 'bdquo;' => "\xE2\x80\x9E", 'Beta;' => "\xCE\x92", 'beta;' => "\xCE\xB2", 'brvbar' => "\xC2\xA6", 'brvbar;' => "\xC2\xA6", 'bull;' => "\xE2\x80\xA2", 'cap;' => "\xE2\x88\xA9", 'Ccedil' => "\xC3\x87", 'ccedil' => "\xC3\xA7", 'Ccedil;' => "\xC3\x87", 'ccedil;' => "\xC3\xA7", 'cedil' => "\xC2\xB8", 'cedil;' => "\xC2\xB8", 'cent' => "\xC2\xA2", 'cent;' => "\xC2\xA2", 'Chi;' => "\xCE\xA7", 'chi;' => "\xCF\x87", 'circ;' => "\xCB\x86", 'clubs;' => "\xE2\x99\xA3", 'cong;' => "\xE2\x89\x85", 'COPY' => "\xC2\xA9", 'copy' => "\xC2\xA9", 'COPY;' => "\xC2\xA9", 'copy;' => "\xC2\xA9", 'crarr;' => "\xE2\x86\xB5", 'cup;' => "\xE2\x88\xAA", 'curren' => "\xC2\xA4", 'curren;' => "\xC2\xA4", 'Dagger;' => "\xE2\x80\xA1", 'dagger;' => "\xE2\x80\xA0", 'dArr;' => "\xE2\x87\x93", 'darr;' => "\xE2\x86\x93", 'deg' => "\xC2\xB0", 'deg;' => "\xC2\xB0", 'Delta;' => "\xCE\x94", 'delta;' => "\xCE\xB4", 'diams;' => "\xE2\x99\xA6", 'divide' => "\xC3\xB7", 'divide;' => "\xC3\xB7", 'Eacute' => "\xC3\x89", 'eacute' => "\xC3\xA9", 'Eacute;' => "\xC3\x89", 'eacute;' => "\xC3\xA9", 'Ecirc' => "\xC3\x8A", 'ecirc' => "\xC3\xAA", 'Ecirc;' => "\xC3\x8A", 'ecirc;' => "\xC3\xAA", 'Egrave' => "\xC3\x88", 'egrave' => "\xC3\xA8", 'Egrave;' => "\xC3\x88", 'egrave;' => "\xC3\xA8", 'empty;' => "\xE2\x88\x85", 'emsp;' => "\xE2\x80\x83", 'ensp;' => "\xE2\x80\x82", 'Epsilon;' => "\xCE\x95", 'epsilon;' => "\xCE\xB5", 'equiv;' => "\xE2\x89\xA1", 'Eta;' => "\xCE\x97", 'eta;' => "\xCE\xB7", 'ETH' => "\xC3\x90", 'eth' => "\xC3\xB0", 'ETH;' => "\xC3\x90", 'eth;' => "\xC3\xB0", 'Euml' => "\xC3\x8B", 'euml' => "\xC3\xAB", 'Euml;' => "\xC3\x8B", 'euml;' => "\xC3\xAB", 'euro;' => "\xE2\x82\xAC", 'exist;' => "\xE2\x88\x83", 'fnof;' => "\xC6\x92", 'forall;' => "\xE2\x88\x80", 'frac12' => "\xC2\xBD", 'frac12;' => "\xC2\xBD", 'frac14' => "\xC2\xBC", 'frac14;' => "\xC2\xBC", 'frac34' => "\xC2\xBE", 'frac34;' => "\xC2\xBE", 'frasl;' => "\xE2\x81\x84", 'Gamma;' => "\xCE\x93", 'gamma;' => "\xCE\xB3", 'ge;' => "\xE2\x89\xA5", 'GT' => "\x3E", 'gt' => "\x3E", 'GT;' => "\x3E", 'gt;' => "\x3E", 'hArr;' => "\xE2\x87\x94", 'harr;' => "\xE2\x86\x94", 'hearts;' => "\xE2\x99\xA5", 'hellip;' => "\xE2\x80\xA6", 'Iacute' => "\xC3\x8D", 'iacute' => "\xC3\xAD", 'Iacute;' => "\xC3\x8D", 'iacute;' => "\xC3\xAD", 'Icirc' => "\xC3\x8E", 'icirc' => "\xC3\xAE", 'Icirc;' => "\xC3\x8E", 'icirc;' => "\xC3\xAE", 'iexcl' => "\xC2\xA1", 'iexcl;' => "\xC2\xA1", 'Igrave' => "\xC3\x8C", 'igrave' => "\xC3\xAC", 'Igrave;' => "\xC3\x8C", 'igrave;' => "\xC3\xAC", 'image;' => "\xE2\x84\x91", 'infin;' => "\xE2\x88\x9E", 'int;' => "\xE2\x88\xAB", 'Iota;' => "\xCE\x99", 'iota;' => "\xCE\xB9", 'iquest' => "\xC2\xBF", 'iquest;' => "\xC2\xBF", 'isin;' => "\xE2\x88\x88", 'Iuml' => "\xC3\x8F", 'iuml' => "\xC3\xAF", 'Iuml;' => "\xC3\x8F", 'iuml;' => "\xC3\xAF", 'Kappa;' => "\xCE\x9A", 'kappa;' => "\xCE\xBA", 'Lambda;' => "\xCE\x9B", 'lambda;' => "\xCE\xBB", 'lang;' => "\xE3\x80\x88", 'laquo' => "\xC2\xAB", 'laquo;' => "\xC2\xAB", 'lArr;' => "\xE2\x87\x90", 'larr;' => "\xE2\x86\x90", 'lceil;' => "\xE2\x8C\x88", 'ldquo;' => "\xE2\x80\x9C", 'le;' => "\xE2\x89\xA4", 'lfloor;' => "\xE2\x8C\x8A", 'lowast;' => "\xE2\x88\x97", 'loz;' => "\xE2\x97\x8A", 'lrm;' => "\xE2\x80\x8E", 'lsaquo;' => "\xE2\x80\xB9", 'lsquo;' => "\xE2\x80\x98", 'LT' => "\x3C", 'lt' => "\x3C", 'LT;' => "\x3C", 'lt;' => "\x3C", 'macr' => "\xC2\xAF", 'macr;' => "\xC2\xAF", 'mdash;' => "\xE2\x80\x94", 'micro' => "\xC2\xB5", 'micro;' => "\xC2\xB5", 'middot' => "\xC2\xB7", 'middot;' => "\xC2\xB7", 'minus;' => "\xE2\x88\x92", 'Mu;' => "\xCE\x9C", 'mu;' => "\xCE\xBC", 'nabla;' => "\xE2\x88\x87", 'nbsp' => "\xC2\xA0", 'nbsp;' => "\xC2\xA0", 'ndash;' => "\xE2\x80\x93", 'ne;' => "\xE2\x89\xA0", 'ni;' => "\xE2\x88\x8B", 'not' => "\xC2\xAC", 'not;' => "\xC2\xAC", 'notin;' => "\xE2\x88\x89", 'nsub;' => "\xE2\x8A\x84", 'Ntilde' => "\xC3\x91", 'ntilde' => "\xC3\xB1", 'Ntilde;' => "\xC3\x91", 'ntilde;' => "\xC3\xB1", 'Nu;' => "\xCE\x9D", 'nu;' => "\xCE\xBD", 'Oacute' => "\xC3\x93", 'oacute' => "\xC3\xB3", 'Oacute;' => "\xC3\x93", 'oacute;' => "\xC3\xB3", 'Ocirc' => "\xC3\x94", 'ocirc' => "\xC3\xB4", 'Ocirc;' => "\xC3\x94", 'ocirc;' => "\xC3\xB4", 'OElig;' => "\xC5\x92", 'oelig;' => "\xC5\x93", 'Ograve' => "\xC3\x92", 'ograve' => "\xC3\xB2", 'Ograve;' => "\xC3\x92", 'ograve;' => "\xC3\xB2", 'oline;' => "\xE2\x80\xBE", 'Omega;' => "\xCE\xA9", 'omega;' => "\xCF\x89", 'Omicron;' => "\xCE\x9F", 'omicron;' => "\xCE\xBF", 'oplus;' => "\xE2\x8A\x95", 'or;' => "\xE2\x88\xA8", 'ordf' => "\xC2\xAA", 'ordf;' => "\xC2\xAA", 'ordm' => "\xC2\xBA", 'ordm;' => "\xC2\xBA", 'Oslash' => "\xC3\x98", 'oslash' => "\xC3\xB8", 'Oslash;' => "\xC3\x98", 'oslash;' => "\xC3\xB8", 'Otilde' => "\xC3\x95", 'otilde' => "\xC3\xB5", 'Otilde;' => "\xC3\x95", 'otilde;' => "\xC3\xB5", 'otimes;' => "\xE2\x8A\x97", 'Ouml' => "\xC3\x96", 'ouml' => "\xC3\xB6", 'Ouml;' => "\xC3\x96", 'ouml;' => "\xC3\xB6", 'para' => "\xC2\xB6", 'para;' => "\xC2\xB6", 'part;' => "\xE2\x88\x82", 'permil;' => "\xE2\x80\xB0", 'perp;' => "\xE2\x8A\xA5", 'Phi;' => "\xCE\xA6", 'phi;' => "\xCF\x86", 'Pi;' => "\xCE\xA0", 'pi;' => "\xCF\x80", 'piv;' => "\xCF\x96", 'plusmn' => "\xC2\xB1", 'plusmn;' => "\xC2\xB1", 'pound' => "\xC2\xA3", 'pound;' => "\xC2\xA3", 'Prime;' => "\xE2\x80\xB3", 'prime;' => "\xE2\x80\xB2", 'prod;' => "\xE2\x88\x8F", 'prop;' => "\xE2\x88\x9D", 'Psi;' => "\xCE\xA8", 'psi;' => "\xCF\x88", 'QUOT' => "\x22", 'quot' => "\x22", 'QUOT;' => "\x22", 'quot;' => "\x22", 'radic;' => "\xE2\x88\x9A", 'rang;' => "\xE3\x80\x89", 'raquo' => "\xC2\xBB", 'raquo;' => "\xC2\xBB", 'rArr;' => "\xE2\x87\x92", 'rarr;' => "\xE2\x86\x92", 'rceil;' => "\xE2\x8C\x89", 'rdquo;' => "\xE2\x80\x9D", 'real;' => "\xE2\x84\x9C", 'REG' => "\xC2\xAE", 'reg' => "\xC2\xAE", 'REG;' => "\xC2\xAE", 'reg;' => "\xC2\xAE", 'rfloor;' => "\xE2\x8C\x8B", 'Rho;' => "\xCE\xA1", 'rho;' => "\xCF\x81", 'rlm;' => "\xE2\x80\x8F", 'rsaquo;' => "\xE2\x80\xBA", 'rsquo;' => "\xE2\x80\x99", 'sbquo;' => "\xE2\x80\x9A", 'Scaron;' => "\xC5\xA0", 'scaron;' => "\xC5\xA1", 'sdot;' => "\xE2\x8B\x85", 'sect' => "\xC2\xA7", 'sect;' => "\xC2\xA7", 'shy' => "\xC2\xAD", 'shy;' => "\xC2\xAD", 'Sigma;' => "\xCE\xA3", 'sigma;' => "\xCF\x83", 'sigmaf;' => "\xCF\x82", 'sim;' => "\xE2\x88\xBC", 'spades;' => "\xE2\x99\xA0", 'sub;' => "\xE2\x8A\x82", 'sube;' => "\xE2\x8A\x86", 'sum;' => "\xE2\x88\x91", 'sup;' => "\xE2\x8A\x83", 'sup1' => "\xC2\xB9", 'sup1;' => "\xC2\xB9", 'sup2' => "\xC2\xB2", 'sup2;' => "\xC2\xB2", 'sup3' => "\xC2\xB3", 'sup3;' => "\xC2\xB3", 'supe;' => "\xE2\x8A\x87", 'szlig' => "\xC3\x9F", 'szlig;' => "\xC3\x9F", 'Tau;' => "\xCE\xA4", 'tau;' => "\xCF\x84", 'there4;' => "\xE2\x88\xB4", 'Theta;' => "\xCE\x98", 'theta;' => "\xCE\xB8", 'thetasym;' => "\xCF\x91", 'thinsp;' => "\xE2\x80\x89", 'THORN' => "\xC3\x9E", 'thorn' => "\xC3\xBE", 'THORN;' => "\xC3\x9E", 'thorn;' => "\xC3\xBE", 'tilde;' => "\xCB\x9C", 'times' => "\xC3\x97", 'times;' => "\xC3\x97", 'TRADE;' => "\xE2\x84\xA2", 'trade;' => "\xE2\x84\xA2", 'Uacute' => "\xC3\x9A", 'uacute' => "\xC3\xBA", 'Uacute;' => "\xC3\x9A", 'uacute;' => "\xC3\xBA", 'uArr;' => "\xE2\x87\x91", 'uarr;' => "\xE2\x86\x91", 'Ucirc' => "\xC3\x9B", 'ucirc' => "\xC3\xBB", 'Ucirc;' => "\xC3\x9B", 'ucirc;' => "\xC3\xBB", 'Ugrave' => "\xC3\x99", 'ugrave' => "\xC3\xB9", 'Ugrave;' => "\xC3\x99", 'ugrave;' => "\xC3\xB9", 'uml' => "\xC2\xA8", 'uml;' => "\xC2\xA8", 'upsih;' => "\xCF\x92", 'Upsilon;' => "\xCE\xA5", 'upsilon;' => "\xCF\x85", 'Uuml' => "\xC3\x9C", 'uuml' => "\xC3\xBC", 'Uuml;' => "\xC3\x9C", 'uuml;' => "\xC3\xBC", 'weierp;' => "\xE2\x84\x98", 'Xi;' => "\xCE\x9E", 'xi;' => "\xCE\xBE", 'Yacute' => "\xC3\x9D", 'yacute' => "\xC3\xBD", 'Yacute;' => "\xC3\x9D", 'yacute;' => "\xC3\xBD", 'yen' => "\xC2\xA5", 'yen;' => "\xC2\xA5", 'yuml' => "\xC3\xBF", 'Yuml;' => "\xC5\xB8", 'yuml;' => "\xC3\xBF", 'Zeta;' => "\xCE\x96", 'zeta;' => "\xCE\xB6", 'zwj;' => "\xE2\x80\x8D", 'zwnj;' => "\xE2\x80\x8C");

                                for ($i = 0, $match = null; $i < 9 && $this->consume() !== false; $i++)
                                {
                                        $consumed = substr($this->consumed, 1);
                                        if (isset($entities[$consumed]))
                                        {
                                                $match = $consumed;
                                        }
                                }

                                if ($match !== null)
                                {
                                        $this->data = substr_replace($this->data, $entities[$match], $this->position - strlen($consumed) - 1, strlen($match) + 1);
                                        $this->position += strlen($entities[$match]) - strlen($consumed) - 1;
                                }
                                break;
                }
        }
}

class SimplePie_IRI
{
        var $scheme;

        var $userinfo;

        var $host;

        var $port;

        var $path;

        var $query;

        var $fragment;

        var $valid = array();

        public function __toString()
        {
                return $this->get_iri();
        }

        public function __construct($iri)
        {
                $iri = (string) $iri;
                if ($iri !== '')
                {
                        $parsed = $this->parse_iri($iri);
                        $this->set_scheme($parsed['scheme']);
                        $this->set_authority($parsed['authority']);
                        $this->set_path($parsed['path']);
                        $this->set_query($parsed['query']);
                        $this->set_fragment($parsed['fragment']);
                }
        }

        public static function absolutize($base, $relative)
        {
                $relative = (string) $relative;
                if ($relative !== '')
                {
                        $relative = new SimplePie_IRI($relative);
                        if ($relative->get_scheme() !== null)
                        {
                                $target = $relative;
                        }
                        elseif ($base->get_iri() !== null)
                        {
                                if ($relative->get_authority() !== null)
                                {
                                        $target = $relative;
                                        $target->set_scheme($base->get_scheme());
                                }
                                else
                                {
                                        $target = new SimplePie_IRI('');
                                        $target->set_scheme($base->get_scheme());
                                        $target->set_userinfo($base->get_userinfo());
                                        $target->set_host($base->get_host());
                                        $target->set_port($base->get_port());
                                        if ($relative->get_path() !== null)
                                        {
                                                if (strpos($relative->get_path(), '/') === 0)
                                                {
                                                        $target->set_path($relative->get_path());
                                                }
                                                elseif (($base->get_userinfo() !== null || $base->get_host() !== null || $base->get_port() !== null) && $base->get_path() === null)
                                                {
                                                        $target->set_path('/' . $relative->get_path());
                                                }
                                                elseif (($last_segment = strrpos($base->get_path(), '/')) !== false)
                                                {
                                                        $target->set_path(substr($base->get_path(), 0, $last_segment + 1) . $relative->get_path());
                                                }
                                                else
                                                {
                                                        $target->set_path($relative->get_path());
                                                }
                                                $target->set_query($relative->get_query());
                                        }
                                        else
                                        {
                                                $target->set_path($base->get_path());
                                                if ($relative->get_query() !== null)
                                                {
                                                        $target->set_query($relative->get_query());
                                                }
                                                elseif ($base->get_query() !== null)
                                                {
                                                        $target->set_query($base->get_query());
                                                }
                                        }
                                }
                                $target->set_fragment($relative->get_fragment());
                        }
                        else
                        {
                                // No base URL, just return the relative URL
                                $target = $relative;
                        }
                }
                else
                {
                        $target = $base;
                }
                return $target;
        }

        public function parse_iri($iri)
        {
                preg_match('/^(([^:\/?#]+):)?(\/\/([^\/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?$/', $iri, $match);
                for ($i = count($match); $i <= 9; $i++)
                {
                        $match[$i] = '';
                }
                return array('scheme' => $match[2], 'authority' => $match[4], 'path' => $match[5], 'query' => $match[7], 'fragment' => $match[9]);
        }

        public function remove_dot_segments($input)
        {
                $output = '';
                while (strpos($input, './') !== false || strpos($input, '/.') !== false || $input === '.' || $input === '..')
                {
                        // A: If the input buffer begins with a prefix of "../" or "./", then remove that prefix from the input buffer; otherwise,
                        if (strpos($input, '../') === 0)
                        {
                                $input = substr($input, 3);
                        }
                        elseif (strpos($input, './') === 0)
                        {
                                $input = substr($input, 2);
                        }
                        // B: if the input buffer begins with a prefix of "/./" or "/.", where "." is a complete path segment, then replace that prefix with "/" in the input buffer; otherwise,
                        elseif (strpos($input, '/./') === 0)
                        {
                                $input = substr_replace($input, '/', 0, 3);
                        }
                        elseif ($input === '/.')
                        {
                                $input = '/';
                        }
                        // C: if the input buffer begins with a prefix of "/../" or "/..", where ".." is a complete path segment, then replace that prefix with "/" in the input buffer and remove the last segment and its preceding "/" (if any) from the output buffer; otherwise,
                        elseif (strpos($input, '/../') === 0)
                        {
                                $input = substr_replace($input, '/', 0, 4);
                                $output = substr_replace($output, '', strrpos($output, '/'));
                        }
                        elseif ($input === '/..')
                        {
                                $input = '/';
                                $output = substr_replace($output, '', strrpos($output, '/'));
                        }
                        // D: if the input buffer consists only of "." or "..", then remove that from the input buffer; otherwise,
                        elseif ($input === '.' || $input === '..')
                        {
                                $input = '';
                        }
                        // E: move the first path segment in the input buffer to the end of the output buffer, including the initial "/" character (if any) and any subsequent characters up to, but not including, the next "/" character or the end of the input buffer
                        elseif (($pos = strpos($input, '/', 1)) !== false)
                        {
                                $output .= substr($input, 0, $pos);
                                $input = substr_replace($input, '', 0, $pos);
                        }
                        else
                        {
                                $output .= $input;
                                $input = '';
                        }
                }
                return $output . $input;
        }

        public function replace_invalid_with_pct_encoding($string, $valid_chars, $case = SIMPLEPIE_SAME_CASE)
        {
                // Normalise case
                if ($case & SIMPLEPIE_LOWERCASE)
                {
                        $string = strtolower($string);
                }
                elseif ($case & SIMPLEPIE_UPPERCASE)
                {
                        $string = strtoupper($string);
                }

                // Store position and string length (to avoid constantly recalculating this)
                $position = 0;
                $strlen = strlen($string);

                // Loop as long as we have invalid characters, advancing the position to the next invalid character
                while (($position += strspn($string, $valid_chars, $position)) < $strlen)
                {
                        // If we have a % character
                        if ($string[$position] === '%')
                        {
                                // If we have a pct-encoded section
                                if ($position + 2 < $strlen && strspn($string, '0123456789ABCDEFabcdef', $position + 1, 2) === 2)
                                {
                                        // Get the the represented character
                                        $chr = chr(hexdec(substr($string, $position + 1, 2)));

                                        // If the character is valid, replace the pct-encoded with the actual character while normalising case
                                        if (strpos($valid_chars, $chr) !== false)
                                        {
                                                if ($case & SIMPLEPIE_LOWERCASE)
                                                {
                                                        $chr = strtolower($chr);
                                                }
                                                elseif ($case & SIMPLEPIE_UPPERCASE)
                                                {
                                                        $chr = strtoupper($chr);
                                                }
                                                $string = substr_replace($string, $chr, $position, 3);
                                                $strlen -= 2;
                                                $position++;
                                        }

                                        // Otherwise just normalise the pct-encoded to uppercase
                                        else
                                        {
                                                $string = substr_replace($string, strtoupper(substr($string, $position + 1, 2)), $position + 1, 2);
                                                $position += 3;
                                        }
                                }
                                // If we don't have a pct-encoded section, just replace the % with its own esccaped form
                                else
                                {
                                        $string = substr_replace($string, '%25', $position, 1);
                                        $strlen += 2;
                                        $position += 3;
                                }
                        }
                        // If we have an invalid character, change into its pct-encoded form
                        else
                        {
                                $replacement = sprintf("%%%02X", ord($string[$position]));
                                $string = str_replace($string[$position], $replacement, $string);
                                $strlen = strlen($string);
                        }
                }
                return $string;
        }

        public function is_valid()
        {
                return array_sum($this->valid) === count($this->valid);
        }

        public function set_scheme($scheme)
        {
                if ($scheme === null || $scheme === '')
                {
                        $this->scheme = null;
                }
                else
                {
                        $len = strlen($scheme);
                        switch (true)
                        {
                                case $len > 1:
                                        if (!strspn($scheme, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+-.', 1))
                                        {
                                                $this->scheme = null;
                                                $this->valid[__FUNCTION__] = false;
                                                return false;
                                        }

                                case $len > 0:
                                        if (!strspn($scheme, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz', 0, 1))
                                        {
                                                $this->scheme = null;
                                                $this->valid[__FUNCTION__] = false;
                                                return false;
                                        }
                        }
                        $this->scheme = strtolower($scheme);
                }
                $this->valid[__FUNCTION__] = true;
                return true;
        }

        public function set_authority($authority)
        {
                if (($userinfo_end = strrpos($authority, '@')) !== false)
                {
                        $userinfo = substr($authority, 0, $userinfo_end);
                        $authority = substr($authority, $userinfo_end + 1);
                }
                else
                {
                        $userinfo = null;
                }

                if (($port_start = strpos($authority, ':')) !== false)
                {
                        $port = substr($authority, $port_start + 1);
                        $authority = substr($authority, 0, $port_start);
                }
                else
                {
                        $port = null;
                }

                return $this->set_userinfo($userinfo) && $this->set_host($authority) && $this->set_port($port);
        }

        public function set_userinfo($userinfo)
        {
                if ($userinfo === null || $userinfo === '')
                {
                        $this->userinfo = null;
                }
                else
                {
                        $this->userinfo = $this->replace_invalid_with_pct_encoding($userinfo, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~!$&\'()*+,;=:');
                }
                $this->valid[__FUNCTION__] = true;
                return true;
        }

        public function set_host($host)
        {
                if ($host === null || $host === '')
                {
                        $this->host = null;
                        $this->valid[__FUNCTION__] = true;
                        return true;
                }
                elseif ($host[0] === '[' && substr($host, -1) === ']')
                {
                        if (Net_IPv6::checkIPv6(substr($host, 1, -1)))
                        {
                                $this->host = $host;
                                $this->valid[__FUNCTION__] = true;
                                return true;
                        }
                        else
                        {
                                $this->host = null;
                                $this->valid[__FUNCTION__] = false;
                                return false;
                        }
                }
                else
                {
                        $this->host = $this->replace_invalid_with_pct_encoding($host, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~!$&\'()*+,;=', SIMPLEPIE_LOWERCASE);
                        $this->valid[__FUNCTION__] = true;
                        return true;
                }
        }

        public function set_port($port)
        {
                if ($port === null || $port === '')
                {
                        $this->port = null;
                        $this->valid[__FUNCTION__] = true;
                        return true;
                }
                elseif (strspn($port, '0123456789') === strlen($port))
                {
                        $this->port = (int) $port;
                        $this->valid[__FUNCTION__] = true;
                        return true;
                }
                else
                {
                        $this->port = null;
                        $this->valid[__FUNCTION__] = false;
                        return false;
                }
        }

        public function set_path($path)
        {
                if ($path === null || $path === '')
                {
                        $this->path = null;
                        $this->valid[__FUNCTION__] = true;
                        return true;
                }
                elseif (substr($path, 0, 2) === '//' && $this->userinfo === null && $this->host === null && $this->port === null)
                {
                        $this->path = null;
                        $this->valid[__FUNCTION__] = false;
                        return false;
                }
                else
                {
                        $this->path = $this->replace_invalid_with_pct_encoding($path, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~!$&\'()*+,;=@/');
                        if ($this->scheme !== null)
                        {
                                $this->path = $this->remove_dot_segments($this->path);
                        }
                        $this->valid[__FUNCTION__] = true;
                        return true;
                }
        }

        public function set_query($query)
        {
                if ($query === null || $query === '')
                {
                        $this->query = null;
                }
                else
                {
                        $this->query = $this->replace_invalid_with_pct_encoding($query, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~!$\'()*+,;:@/?&=');
                }
                $this->valid[__FUNCTION__] = true;
                return true;
        }

        public function set_fragment($fragment)
        {
                if ($fragment === null || $fragment === '')
                {
                        $this->fragment = null;
                }
                else
                {
                        $this->fragment = $this->replace_invalid_with_pct_encoding($fragment, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~!$&\'()*+,;=:@/?');
                }
                $this->valid[__FUNCTION__] = true;
                return true;
        }

        public function get_iri()
        {
                $iri = '';
                if ($this->scheme !== null)
                {
                        $iri .= $this->scheme . ':';
                }
                if (($authority = $this->get_authority()) !== null)
                {
                        $iri .= '//' . $authority;
                }
                if ($this->path !== null)
                {
                        $iri .= $this->path;
                }
                if ($this->query !== null)
                {
                        $iri .= '?' . $this->query;
                }
                if ($this->fragment !== null)
                {
                        $iri .= '#' . $this->fragment;
                }

                if ($iri !== '')
                {
                        return $iri;
                }
                else
                {
                        return null;
                }
        }

        public function get_scheme()
        {
                return $this->scheme;
        }

        public function get_authority()
        {
                $authority = '';
                if ($this->userinfo !== null)
                {
                        $authority .= $this->userinfo . '@';
                }
                if ($this->host !== null)
                {
                        $authority .= $this->host;
                }
                if ($this->port !== null)
                {
                        $authority .= ':' . $this->port;
                }

                if ($authority !== '')
                {
                        return $authority;
                }
                else
                {
                        return null;
                }
        }

        public function get_userinfo()
        {
                return $this->userinfo;
        }

        public function get_host()
        {
                return $this->host;
        }

        public function get_port()
        {
                return $this->port;
        }

        public function get_path()
        {
                return $this->path;
        }

        public function get_query()
        {
                return $this->query;
        }

        public function get_fragment()
        {
                return $this->fragment;
        }
}

class SimplePie_Net_IPv6
{
        public static function removeNetmaskSpec($ip)
        {
                if (strpos($ip, '/') !== false)
                {
                        list($addr, $nm) = explode('/', $ip);
                }
                else
                {
                        $addr = $ip;
                }
                return $addr;
        }

        public static function Uncompress($ip)
        {
                $uip = SimplePie_Net_IPv6::removeNetmaskSpec($ip);
                $c1 = -1;
                $c2 = -1;
                if (strpos($ip, '::') !== false)
                {
                        list($ip1, $ip2) = explode('::', $ip);
                        if ($ip1 === '')
                        {
                                $c1 = -1;
                        }
                        else
                        {
                                $pos = 0;
                                if (($pos = substr_count($ip1, ':')) > 0)
                                {
                                        $c1 = $pos;
                                }
                                else
                                {
                                        $c1 = 0;
                                }
                        }
                        if ($ip2 === '')
                        {
                                $c2 = -1;
                        }
                        else
                        {
                                $pos = 0;
                                if (($pos = substr_count($ip2, ':')) > 0)
                                {
                                        $c2 = $pos;
                                }
                                else
                                {
                                        $c2 = 0;
                                }
                        }
                        if (strstr($ip2, '.'))
                        {
                                $c2++;
                        }
                        // ::
                        if ($c1 === -1 && $c2 === -1)
                        {
                                $uip = '0:0:0:0:0:0:0:0';
                        }
                        // ::xxx
                        else if ($c1 === -1)
                        {
                                $fill = str_repeat('0:', 7 - $c2);
                                $uip =  str_replace('::', $fill, $uip);
                        }
                        // xxx::
                        else if ($c2 === -1)
                        {
                                $fill = str_repeat(':0', 7 - $c1);
                                $uip =  str_replace('::', $fill, $uip);
                        }
                        // xxx::xxx
                        else
                        {
                                $fill = str_repeat(':0:', 6 - $c2 - $c1);
                                $uip =  str_replace('::', $fill, $uip);
                                $uip =  str_replace('::', ':', $uip);
                        }
                }
                return $uip;
        }

        public static function SplitV64($ip)
        {
                $ip = SimplePie_Net_IPv6::Uncompress($ip);
                if (strstr($ip, '.'))
                {
                        $pos = strrpos($ip, ':');
                        $ip[$pos] = '_';
                        $ipPart = explode('_', $ip);
                        return $ipPart;
                }
                else
                {
                        return array($ip, '');
                }
        }

        public static function checkIPv6($ip)
        {
                $ipPart = SimplePie_Net_IPv6::SplitV64($ip);
                $count = 0;
                if (!empty($ipPart[0]))
                {
                        $ipv6 = explode(':', $ipPart[0]);
                        for ($i = 0; $i < count($ipv6); $i++)
                        {
                                $dec = hexdec($ipv6[$i]);
                                $hex = strtoupper(preg_replace('/^[0]{1,3}(.*[0-9a-fA-F])$/', '\\1', $ipv6[$i]));
                                if ($ipv6[$i] >= 0 && $dec <= 65535 && $hex === strtoupper(dechex($dec)))
                                {
                                        $count++;
                                }
                        }
                        if ($count === 8)
                        {
                                return true;
                        }
                        elseif ($count === 6 && !empty($ipPart[1]))
                        {
                                $ipv4 = explode('.', $ipPart[1]);
                                $count = 0;
                                foreach ($ipv4 as $ipv4_part)
                                {
                                        if ($ipv4_part >= 0 && $ipv4_part <= 255 && preg_match('/^\d{1,3}$/', $ipv4_part))
                                        {
                                                $count++;
                                        }
                                }
                                if ($count === 4)
                                {
                                        return true;
                                }
                        }
                        else
                        {
                                return false;
                        }

                }
                else
                {
                        return false;
                }
        }
}

class SimplePie_Parse_Date
{
        var $date;

        var $day = array(
                // English
                'mon' => 1,
                'monday' => 1,
                'tue' => 2,
                'tuesday' => 2,
                'wed' => 3,
                'wednesday' => 3,
                'thu' => 4,
                'thursday' => 4,
                'fri' => 5,
                'friday' => 5,
                'sat' => 6,
                'saturday' => 6,
                'sun' => 7,
                'sunday' => 7,
                // Dutch
                'maandag' => 1,
                'dinsdag' => 2,
                'woensdag' => 3,
                'donderdag' => 4,
                'vrijdag' => 5,
                'zaterdag' => 6,
                'zondag' => 7,
                // French
                'lundi' => 1,
                'mardi' => 2,
                'mercredi' => 3,
                'jeudi' => 4,
                'vendredi' => 5,
                'samedi' => 6,
                'dimanche' => 7,
                // German
                'montag' => 1,
                'dienstag' => 2,
                'mittwoch' => 3,
                'donnerstag' => 4,
                'freitag' => 5,
                'samstag' => 6,
                'sonnabend' => 6,
                'sonntag' => 7,
                // Italian
                'lunedì' => 1,
                'martedì' => 2,
                'mercoledì' => 3,
                'giovedì' => 4,
                'venerdì' => 5,
                'sabato' => 6,
                'domenica' => 7,
                // Spanish
                'lunes' => 1,
                'martes' => 2,
                'miércoles' => 3,
                'jueves' => 4,
                'viernes' => 5,
                'sábado' => 6,
                'domingo' => 7,
                // Finnish
                'maanantai' => 1,
                'tiistai' => 2,
                'keskiviikko' => 3,
                'torstai' => 4,
                'perjantai' => 5,
                'lauantai' => 6,
                'sunnuntai' => 7,
                // Hungarian
                'hétfő' => 1,
                'kedd' => 2,
                'szerda' => 3,
                'csütörtok' => 4,
                'péntek' => 5,
                'szombat' => 6,
                'vasárnap' => 7,
                // Greek
                'Δευ' => 1,
                'Τρι' => 2,
                'Τετ' => 3,
                'Πεμ' => 4,
                'Παρ' => 5,
                'Σαβ' => 6,
                'Κυρ' => 7,
        );

        var $month = array(
                // English
                'jan' => 1,
                'january' => 1,
                'feb' => 2,
                'february' => 2,
                'mar' => 3,
                'march' => 3,
                'apr' => 4,
                'april' => 4,
                'may' => 5,
                // No long form of May
                'jun' => 6,
                'june' => 6,
                'jul' => 7,
                'july' => 7,
                'aug' => 8,
                'august' => 8,
                'sep' => 9,
                'september' => 8,
                'oct' => 10,
                'october' => 10,
                'nov' => 11,
                'november' => 11,
                'dec' => 12,
                'december' => 12,
                // Dutch
                'januari' => 1,
                'februari' => 2,
                'maart' => 3,
                'april' => 4,
                'mei' => 5,
                'juni' => 6,
                'juli' => 7,
                'augustus' => 8,
                'september' => 9,
                'oktober' => 10,
                'november' => 11,
                'december' => 12,
                // French
                'janvier' => 1,
                'février' => 2,
                'mars' => 3,
                'avril' => 4,
                'mai' => 5,
                'juin' => 6,
                'juillet' => 7,
                'août' => 8,
                'septembre' => 9,
                'octobre' => 10,
                'novembre' => 11,
                'décembre' => 12,
                // German
                'januar' => 1,
                'februar' => 2,
                'märz' => 3,
                'april' => 4,
                'mai' => 5,
                'juni' => 6,
                'juli' => 7,
                'august' => 8,
                'september' => 9,
                'oktober' => 10,
                'november' => 11,
                'dezember' => 12,
                // Italian
                'gennaio' => 1,
                'febbraio' => 2,
                'marzo' => 3,
                'aprile' => 4,
                'maggio' => 5,
                'giugno' => 6,
                'luglio' => 7,
                'agosto' => 8,
                'settembre' => 9,
                'ottobre' => 10,
                'novembre' => 11,
                'dicembre' => 12,
                // Spanish
                'enero' => 1,
                'febrero' => 2,
                'marzo' => 3,
                'abril' => 4,
                'mayo' => 5,
                'junio' => 6,
                'julio' => 7,
                'agosto' => 8,
                'septiembre' => 9,
                'setiembre' => 9,
                'octubre' => 10,
                'noviembre' => 11,
                'diciembre' => 12,
                // Finnish
                'tammikuu' => 1,
                'helmikuu' => 2,
                'maaliskuu' => 3,
                'huhtikuu' => 4,
                'toukokuu' => 5,
                'kesäkuu' => 6,
                'heinäkuu' => 7,
                'elokuu' => 8,
                'suuskuu' => 9,
                'lokakuu' => 10,
                'marras' => 11,
                'joulukuu' => 12,
                // Hungarian
                'január' => 1,
                'február' => 2,
                'március' => 3,
                'április' => 4,
                'május' => 5,
                'június' => 6,
                'július' => 7,
                'augusztus' => 8,
                'szeptember' => 9,
                'október' => 10,
                'november' => 11,
                'december' => 12,
                // Greek
                'Ιαν' => 1,
                'Φεβ' => 2,
                'Μάώ' => 3,
                'Μαώ' => 3,
                'Απρ' => 4,
                'Μάι' => 5,
                'Μαϊ' => 5,
                'Μαι' => 5,
                'Ιούν' => 6,
                'Ιον' => 6,
                'Ιούλ' => 7,
                'Ιολ' => 7,
                'Αύγ' => 8,
                'Αυγ' => 8,
                'Σεπ' => 9,
                'Οκτ' => 10,
                'Νοέ' => 11,
                'Δεκ' => 12,
        );

        var $timezone = array(
                'ACDT' => 37800,
                'ACIT' => 28800,
                'ACST' => 34200,
                'ACT' => -18000,
                'ACWDT' => 35100,
                'ACWST' => 31500,
                'AEDT' => 39600,
                'AEST' => 36000,
                'AFT' => 16200,
                'AKDT' => -28800,
                'AKST' => -32400,
                'AMDT' => 18000,
                'AMT' => -14400,
                'ANAST' => 46800,
                'ANAT' => 43200,
                'ART' => -10800,
                'AZOST' => -3600,
                'AZST' => 18000,
                'AZT' => 14400,
                'BIOT' => 21600,
                'BIT' => -43200,
                'BOT' => -14400,
                'BRST' => -7200,
                'BRT' => -10800,
                'BST' => 3600,
                'BTT' => 21600,
                'CAST' => 18000,
                'CAT' => 7200,
                'CCT' => 23400,
                'CDT' => -18000,
                'CEDT' => 7200,
                'CET' => 3600,
                'CGST' => -7200,
                'CGT' => -10800,
                'CHADT' => 49500,
                'CHAST' => 45900,
                'CIST' => -28800,
                'CKT' => -36000,
                'CLDT' => -10800,
                'CLST' => -14400,
                'COT' => -18000,
                'CST' => -21600,
                'CVT' => -3600,
                'CXT' => 25200,
                'DAVT' => 25200,
                'DTAT' => 36000,
                'EADT' => -18000,
                'EAST' => -21600,
                'EAT' => 10800,
                'ECT' => -18000,
                'EDT' => -14400,
                'EEST' => 10800,
                'EET' => 7200,
                'EGT' => -3600,
                'EKST' => 21600,
                'EST' => -18000,
                'FJT' => 43200,
                'FKDT' => -10800,
                'FKST' => -14400,
                'FNT' => -7200,
                'GALT' => -21600,
                'GEDT' => 14400,
                'GEST' => 10800,
                'GFT' => -10800,
                'GILT' => 43200,
                'GIT' => -32400,
                'GST' => 14400,
                'GST' => -7200,
                'GYT' => -14400,
                'HAA' => -10800,
                'HAC' => -18000,
                'HADT' => -32400,
                'HAE' => -14400,
                'HAP' => -25200,
                'HAR' => -21600,
                'HAST' => -36000,
                'HAT' => -9000,
                'HAY' => -28800,
                'HKST' => 28800,
                'HMT' => 18000,
                'HNA' => -14400,
                'HNC' => -21600,
                'HNE' => -18000,
                'HNP' => -28800,
                'HNR' => -25200,
                'HNT' => -12600,
                'HNY' => -32400,
                'IRDT' => 16200,
                'IRKST' => 32400,
                'IRKT' => 28800,
                'IRST' => 12600,
                'JFDT' => -10800,
                'JFST' => -14400,
                'JST' => 32400,
                'KGST' => 21600,
                'KGT' => 18000,
                'KOST' => 39600,
                'KOVST' => 28800,
                'KOVT' => 25200,
                'KRAST' => 28800,
                'KRAT' => 25200,
                'KST' => 32400,
                'LHDT' => 39600,
                'LHST' => 37800,
                'LINT' => 50400,
                'LKT' => 21600,
                'MAGST' => 43200,
                'MAGT' => 39600,
                'MAWT' => 21600,
                'MDT' => -21600,
                'MESZ' => 7200,
                'MEZ' => 3600,
                'MHT' => 43200,
                'MIT' => -34200,
                'MNST' => 32400,
                'MSDT' => 14400,
                'MSST' => 10800,
                'MST' => -25200,
                'MUT' => 14400,
                'MVT' => 18000,
                'MYT' => 28800,
                'NCT' => 39600,
                'NDT' => -9000,
                'NFT' => 41400,
                'NMIT' => 36000,
                'NOVST' => 25200,
                'NOVT' => 21600,
                'NPT' => 20700,
                'NRT' => 43200,
                'NST' => -12600,
                'NUT' => -39600,
                'NZDT' => 46800,
                'NZST' => 43200,
                'OMSST' => 25200,
                'OMST' => 21600,
                'PDT' => -25200,
                'PET' => -18000,
                'PETST' => 46800,
                'PETT' => 43200,
                'PGT' => 36000,
                'PHOT' => 46800,
                'PHT' => 28800,
                'PKT' => 18000,
                'PMDT' => -7200,
                'PMST' => -10800,
                'PONT' => 39600,
                'PST' => -28800,
                'PWT' => 32400,
                'PYST' => -10800,
                'PYT' => -14400,
                'RET' => 14400,
                'ROTT' => -10800,
                'SAMST' => 18000,
                'SAMT' => 14400,
                'SAST' => 7200,
                'SBT' => 39600,
                'SCDT' => 46800,
                'SCST' => 43200,
                'SCT' => 14400,
                'SEST' => 3600,
                'SGT' => 28800,
                'SIT' => 28800,
                'SRT' => -10800,
                'SST' => -39600,
                'SYST' => 10800,
                'SYT' => 7200,
                'TFT' => 18000,
                'THAT' => -36000,
                'TJT' => 18000,
                'TKT' => -36000,
                'TMT' => 18000,
                'TOT' => 46800,
                'TPT' => 32400,
                'TRUT' => 36000,
                'TVT' => 43200,
                'TWT' => 28800,
                'UYST' => -7200,
                'UYT' => -10800,
                'UZT' => 18000,
                'VET' => -14400,
                'VLAST' => 39600,
                'VLAT' => 36000,
                'VOST' => 21600,
                'VUT' => 39600,
                'WAST' => 7200,
                'WAT' => 3600,
                'WDT' => 32400,
                'WEST' => 3600,
                'WFT' => 43200,
                'WIB' => 25200,
                'WIT' => 32400,
                'WITA' => 28800,
                'WKST' => 18000,
                'WST' => 28800,
                'YAKST' => 36000,
                'YAKT' => 32400,
                'YAPT' => 36000,
                'YEKST' => 21600,
                'YEKT' => 18000,
        );

        var $day_pcre;

        var $month_pcre;

        var $built_in = array();

        var $user = array();

        public function __construct()
        {
                $this->day_pcre = '(' . implode(array_keys($this->day), '|') . ')';
                $this->month_pcre = '(' . implode(array_keys($this->month), '|') . ')';

                static $cache;
                if (!isset($cache[get_class($this)]))
                {
                        $all_methods = get_class_methods($this);

                        foreach ($all_methods as $method)
                        {
                                if (strtolower(substr($method, 0, 5)) === 'date_')
                                {
                                        $cache[get_class($this)][] = $method;
                                }
                        }
                }

                foreach ($cache[get_class($this)] as $method)
                {
                        $this->built_in[] = $method;
                }
        }

        public static function get()
        {
                static $object;
                if (!$object)
                {
                        $object = new SimplePie_Parse_Date;
                }
                return $object;
        }

        public function parse($date)
        {
                foreach ($this->user as $method)
                {
                        if (($returned = call_user_func($method, $date)) !== false)
                        {
                                return $returned;
                        }
                }

                foreach ($this->built_in as $method)
                {
                        if (($returned = call_user_func(array(&$this, $method), $date)) !== false)
                        {
                                return $returned;
                        }
                }

                return false;
        }

        public function add_callback($callback)
        {
                if (is_callable($callback))
                {
                        $this->user[] = $callback;
                }
                else
                {
                        trigger_error('User-supplied function must be a valid callback', E_USER_WARNING);
                }
        }

        public function date_w3cdtf($date)
        {
                static $pcre;
                if (!$pcre)
                {
                        $year = '([0-9]{4})';
                        $month = $day = $hour = $minute = $second = '([0-9]{2})';
                        $decimal = '([0-9]*)';
                        $zone = '(?:(Z)|([+\-])([0-9]{1,2}):?([0-9]{1,2}))';
                        $pcre = '/^' . $year . '(?:-?' . $month . '(?:-?' . $day . '(?:[Tt\x09\x20]+' . $hour . '(?::?' . $minute . '(?::?' . $second . '(?:.' . $decimal . ')?)?)?' . $zone . ')?)?)?$/';
                }
                if (preg_match($pcre, $date, $match))
                {
                        /*
                        Capturing subpatterns:
                        1: Year
                        2: Month
                        3: Day
                        4: Hour
                        5: Minute
                        6: Second
                        7: Decimal fraction of a second
                        8: Zulu
                        9: Timezone ±
                        10: Timezone hours
                        11: Timezone minutes
                        */

                        // Fill in empty matches
                        for ($i = count($match); $i <= 3; $i++)
                        {
                                $match[$i] = '1';
                        }

                        for ($i = count($match); $i <= 7; $i++)
                        {
                                $match[$i] = '0';
                        }

                        // Numeric timezone
                        if (isset($match[9]) && $match[9] !== '')
                        {
                                $timezone = $match[10] * 3600;
                                $timezone += $match[11] * 60;
                                if ($match[9] === '-')
                                {
                                        $timezone = 0 - $timezone;
                                }
                        }
                        else
                        {
                                $timezone = 0;
                        }

                        // Convert the number of seconds to an integer, taking decimals into account
                        $second = round($match[6] + $match[7] / pow(10, strlen($match[7])));

                        return gmmktime($match[4], $match[5], $second, $match[2], $match[3], $match[1]) - $timezone;
                }
                else
                {
                        return false;
                }
        }

        public function remove_rfc2822_comments($string)
        {
                $string = (string) $string;
                $position = 0;
                $length = strlen($string);
                $depth = 0;

                $output = '';

                while ($position < $length && ($pos = strpos($string, '(', $position)) !== false)
                {
                        $output .= substr($string, $position, $pos - $position);
                        $position = $pos + 1;
                        if ($string[$pos - 1] !== '\\')
                        {
                                $depth++;
                                while ($depth && $position < $length)
                                {
                                        $position += strcspn($string, '()', $position);
                                        if ($string[$position - 1] === '\\')
                                        {
                                                $position++;
                                                continue;
                                        }
                                        elseif (isset($string[$position]))
                                        {
                                                switch ($string[$position])
                                                {
                                                        case '(':
                                                                $depth++;
                                                                break;

                                                        case ')':
                                                                $depth--;
                                                                break;
                                                }
                                                $position++;
                                        }
                                        else
                                        {
                                                break;
                                        }
                                }
                        }
                        else
                        {
                                $output .= '(';
                        }
                }
                $output .= substr($string, $position);

                return $output;
        }

        public function date_rfc2822($date)
        {
                static $pcre;
                if (!$pcre)
                {
                        $wsp = '[\x09\x20]';
                        $fws = '(?:' . $wsp . '+|' . $wsp . '*(?:\x0D\x0A' . $wsp . '+)+)';
                        $optional_fws = $fws . '?';
                        $day_name = $this->day_pcre;
                        $month = $this->month_pcre;
                        $day = '([0-9]{1,2})';
                        $hour = $minute = $second = '([0-9]{2})';
                        $year = '([0-9]{2,4})';
                        $num_zone = '([+\-])([0-9]{2})([0-9]{2})';
                        $character_zone = '([A-Z]{1,5})';
                        $zone = '(?:' . $num_zone . '|' . $character_zone . ')';
                        $pcre = '/(?:' . $optional_fws . $day_name . $optional_fws . ',)?' . $optional_fws . $day . $fws . $month . $fws . $year . $fws . $hour . $optional_fws . ':' . $optional_fws . $minute . '(?:' . $optional_fws . ':' . $optional_fws . $second . ')?' . $fws . $zone . '/i';
                }
                if (preg_match($pcre, $this->remove_rfc2822_comments($date), $match))
                {
                        /*
                        Capturing subpatterns:
                        1: Day name
                        2: Day
                        3: Month
                        4: Year
                        5: Hour
                        6: Minute
                        7: Second
                        8: Timezone ±
                        9: Timezone hours
                        10: Timezone minutes
                        11: Alphabetic timezone
                        */

                        // Find the month number
                        $month = $this->month[strtolower($match[3])];

                        // Numeric timezone
                        if ($match[8] !== '')
                        {
                                $timezone = $match[9] * 3600;
                                $timezone += $match[10] * 60;
                                if ($match[8] === '-')
                                {
                                        $timezone = 0 - $timezone;
                                }
                        }
                        // Character timezone
                        elseif (isset($this->timezone[strtoupper($match[11])]))
                        {
                                $timezone = $this->timezone[strtoupper($match[11])];
                        }
                        // Assume everything else to be -0000
                        else
                        {
                                $timezone = 0;
                        }

                        // Deal with 2/3 digit years
                        if ($match[4] < 50)
                        {
                                $match[4] += 2000;
                        }
                        elseif ($match[4] < 1000)
                        {
                                $match[4] += 1900;
                        }

                        // Second is optional, if it is empty set it to zero
                        if ($match[7] !== '')
                        {
                                $second = $match[7];
                        }
                        else
                        {
                                $second = 0;
                        }

                        return gmmktime($match[5], $match[6], $second, $month, $match[2], $match[4]) - $timezone;
                }
                else
                {
                        return false;
                }
        }

        public function date_rfc850($date)
        {
                static $pcre;
                if (!$pcre)
                {
                        $space = '[\x09\x20]+';
                        $day_name = $this->day_pcre;
                        $month = $this->month_pcre;
                        $day = '([0-9]{1,2})';
                        $year = $hour = $minute = $second = '([0-9]{2})';
                        $zone = '([A-Z]{1,5})';
                        $pcre = '/^' . $day_name . ',' . $space . $day . '-' . $month . '-' . $year . $space . $hour . ':' . $minute . ':' . $second . $space . $zone . '$/i';
                }
                if (preg_match($pcre, $date, $match))
                {
                        /*
                        Capturing subpatterns:
                        1: Day name
                        2: Day
                        3: Month
                        4: Year
                        5: Hour
                        6: Minute
                        7: Second
                        8: Timezone
                        */

                        // Month
                        $month = $this->month[strtolower($match[3])];

                        // Character timezone
                        if (isset($this->timezone[strtoupper($match[8])]))
                        {
                                $timezone = $this->timezone[strtoupper($match[8])];
                        }
                        // Assume everything else to be -0000
                        else
                        {
                                $timezone = 0;
                        }

                        // Deal with 2 digit year
                        if ($match[4] < 50)
                        {
                                $match[4] += 2000;
                        }
                        else
                        {
                                $match[4] += 1900;
                        }

                        return gmmktime($match[5], $match[6], $match[7], $month, $match[2], $match[4]) - $timezone;
                }
                else
                {
                        return false;
                }
        }

        public function date_asctime($date)
        {
                static $pcre;
                if (!$pcre)
                {
                        $space = '[\x09\x20]+';
                        $wday_name = $this->day_pcre;
                        $mon_name = $this->month_pcre;
                        $day = '([0-9]{1,2})';
                        $hour = $sec = $min = '([0-9]{2})';
                        $year = '([0-9]{4})';
                        $terminator = '\x0A?\x00?';
                        $pcre = '/^' . $wday_name . $space . $mon_name . $space . $day . $space . $hour . ':' . $min . ':' . $sec . $space . $year . $terminator . '$/i';
                }
                if (preg_match($pcre, $date, $match))
                {
                        /*
                        Capturing subpatterns:
                        1: Day name
                        2: Month
                        3: Day
                        4: Hour
                        5: Minute
                        6: Second
                        7: Year
                        */

                        $month = $this->month[strtolower($match[2])];
                        return gmmktime($match[4], $match[5], $match[6], $month, $match[3], $match[7]);
                }
                else
                {
                        return false;
                }
        }

        public function date_strtotime($date)
        {
                $strtotime = strtotime($date);
                if ($strtotime === -1 || $strtotime === false)
                {
                        return false;
                }
                else
                {
                        return $strtotime;
                }
        }
}

class SimplePie_Content_Type_Sniffer
{
        var $file;

        public function __construct($file)
        {
                $this->file = $file;
        }

        public function get_type()
        {
                if (isset($this->file->headers['content-type']))
                {
                        if (!isset($this->file->headers['content-encoding'])
                                && ($this->file->headers['content-type'] === 'text/plain'
                                        || $this->file->headers['content-type'] === 'text/plain; charset=ISO-8859-1'
                                        || $this->file->headers['content-type'] === 'text/plain; charset=iso-8859-1'))
                        {
                                return $this->text_or_binary();
                        }

                        if (($pos = strpos($this->file->headers['content-type'], ';')) !== false)
                        {
                                $official = substr($this->file->headers['content-type'], 0, $pos);
                        }
                        else
                        {
                                $official = $this->file->headers['content-type'];
                        }
                        $official = strtolower($official);

                        if ($official === 'unknown/unknown'
                                || $official === 'application/unknown')
                        {
                                return $this->unknown();
                        }
                        elseif (substr($official, -4) === '+xml'
                                || $official === 'text/xml'
                                || $official === 'application/xml')
                        {
                                return $official;
                        }
                        elseif (substr($official, 0, 6) === 'image/')
                        {
                                if ($return = $this->image())
                                {
                                        return $return;
                                }
                                else
                                {
                                        return $official;
                                }
                        }
                        elseif ($official === 'text/html')
                        {
                                return $this->feed_or_html();
                        }
                        else
                        {
                                return $official;
                        }
                }
                else
                {
                        return $this->unknown();
                }
        }

        public function text_or_binary()
        {
                if (substr($this->file->body, 0, 2) === "\xFE\xFF"
                        || substr($this->file->body, 0, 2) === "\xFF\xFE"
                        || substr($this->file->body, 0, 4) === "\x00\x00\xFE\xFF"
                        || substr($this->file->body, 0, 3) === "\xEF\xBB\xBF")
                {
                        return 'text/plain';
                }
                elseif (preg_match('/[\x00-\x08\x0E-\x1A\x1C-\x1F]/', $this->file->body))
                {
                        return 'application/octect-stream';
                }
                else
                {
                        return 'text/plain';
                }
        }

        public function unknown()
        {
                $ws = strspn($this->file->body, "\x09\x0A\x0B\x0C\x0D\x20");
                if (strtolower(substr($this->file->body, $ws, 14)) === '<!doctype html'
                        || strtolower(substr($this->file->body, $ws, 5)) === '<html'
                        || strtolower(substr($this->file->body, $ws, 7)) === '<script')
                {
                        return 'text/html';
                }
                elseif (substr($this->file->body, 0, 5) === '%PDF-')
                {
                        return 'application/pdf';
                }
                elseif (substr($this->file->body, 0, 11) === '%!PS-Adobe-')
                {
                        return 'application/postscript';
                }
                elseif (substr($this->file->body, 0, 6) === 'GIF87a'
                        || substr($this->file->body, 0, 6) === 'GIF89a')
                {
                        return 'image/gif';
                }
                elseif (substr($this->file->body, 0, 8) === "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A")
                {
                        return 'image/png';
                }
                elseif (substr($this->file->body, 0, 3) === "\xFF\xD8\xFF")
                {
                        return 'image/jpeg';
                }
                elseif (substr($this->file->body, 0, 2) === "\x42\x4D")
                {
                        return 'image/bmp';
                }
                else
                {
                        return $this->text_or_binary();
                }
        }

        public function image()
        {
                if (substr($this->file->body, 0, 6) === 'GIF87a'
                        || substr($this->file->body, 0, 6) === 'GIF89a')
                {
                        return 'image/gif';
                }
                elseif (substr($this->file->body, 0, 8) === "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A")
                {
                        return 'image/png';
                }
                elseif (substr($this->file->body, 0, 3) === "\xFF\xD8\xFF")
                {
                        return 'image/jpeg';
                }
                elseif (substr($this->file->body, 0, 2) === "\x42\x4D")
                {
                        return 'image/bmp';
                }
                else
                {
                        return false;
                }
        }

        public function feed_or_html()
        {
                $len = strlen($this->file->body);
                $pos = strspn($this->file->body, "\x09\x0A\x0D\x20");

                while ($pos < $len)
                {
                        switch ($this->file->body[$pos])
                        {
                                case "\x09":
                                case "\x0A":
                                case "\x0D":
                                case "\x20":
                                        $pos += strspn($this->file->body, "\x09\x0A\x0D\x20", $pos);
                                        continue 2;

                                case '<':
                                        $pos++;
                                        break;

                                default:
                                        return 'text/html';
                        }

                        if (substr($this->file->body, $pos, 3) === '!--')
                        {
                                $pos += 3;
                                if ($pos < $len && ($pos = strpos($this->file->body, '-->', $pos)) !== false)
                                {
                                        $pos += 3;
                                }
                                else
                                {
                                        return 'text/html';
                                }
                        }
                        elseif (substr($this->file->body, $pos, 1) === '!')
                        {
                                if ($pos < $len && ($pos = strpos($this->file->body, '>', $pos)) !== false)
                                {
                                        $pos++;
                                }
                                else
                                {
                                        return 'text/html';
                                }
                        }
                        elseif (substr($this->file->body, $pos, 1) === '?')
                        {
                                if ($pos < $len && ($pos = strpos($this->file->body, '?>', $pos)) !== false)
                                {
                                        $pos += 2;
                                }
                                else
                                {
                                        return 'text/html';
                                }
                        }
                        elseif (substr($this->file->body, $pos, 3) === 'rss'
                                || substr($this->file->body, $pos, 7) === 'rdf:RDF')
                        {
                                return 'application/rss+xml';
                        }
                        elseif (substr($this->file->body, $pos, 4) === 'feed')
                        {
                                return 'application/atom+xml';
                        }
                        else
                        {
                                return 'text/html';
                        }
                }

                return 'text/html';
        }
}

class SimplePie_XML_Declaration_Parser
{
        var $version = '1.0';

        var $encoding = 'UTF-8';

        var $standalone = false;

        var $state = 'before_version_name';

        var $data = '';

        var $data_length = 0;

        var $position = 0;

        public function __construct($data)
        {
                $this->data = $data;
                $this->data_length = strlen($this->data);
        }

        public function parse()
        {
                while ($this->state && $this->state !== 'emit' && $this->has_data())
                {
                        $state = $this->state;
                        $this->$state();
                }
                $this->data = '';
                if ($this->state === 'emit')
                {
                        return true;
                }
                else
                {
                        $this->version = '';
                        $this->encoding = '';
                        $this->standalone = '';
                        return false;
                }
        }

        public function has_data()
        {
                return (bool) ($this->position < $this->data_length);
        }

        public function skip_whitespace()
        {
                $whitespace = strspn($this->data, "\x09\x0A\x0D\x20", $this->position);
                $this->position += $whitespace;
                return $whitespace;
        }

        public function get_value()
        {
                $quote = substr($this->data, $this->position, 1);
                if ($quote === '"' || $quote === "'")
                {
                        $this->position++;
                        $len = strcspn($this->data, $quote, $this->position);
                        if ($this->has_data())
                        {
                                $value = substr($this->data, $this->position, $len);
                                $this->position += $len + 1;
                                return $value;
                        }
                }
                return false;
        }

        public function before_version_name()
        {
                if ($this->skip_whitespace())
                {
                        $this->state = 'version_name';
                }
                else
                {
                        $this->state = false;
                }
        }

        public function version_name()
        {
                if (substr($this->data, $this->position, 7) === 'version')
                {
                        $this->position += 7;
                        $this->skip_whitespace();
                        $this->state = 'version_equals';
                }
                else
                {
                        $this->state = false;
                }
        }

        public function version_equals()
        {
                if (substr($this->data, $this->position, 1) === '=')
                {
                        $this->position++;
                        $this->skip_whitespace();
                        $this->state = 'version_value';
                }
                else
                {
                        $this->state = false;
                }
        }

        public function version_value()
        {
                if ($this->version = $this->get_value())
                {
                        $this->skip_whitespace();
                        if ($this->has_data())
                        {
                                $this->state = 'encoding_name';
                        }
                        else
                        {
                                $this->state = 'emit';
                        }
                }
                else
                {
                        $this->state = false;
                }
        }

        public function encoding_name()
        {
                if (substr($this->data, $this->position, 8) === 'encoding')
                {
                        $this->position += 8;
                        $this->skip_whitespace();
                        $this->state = 'encoding_equals';
                }
                else
                {
                        $this->state = 'standalone_name';
                }
        }

        public function encoding_equals()
        {
                if (substr($this->data, $this->position, 1) === '=')
                {
                        $this->position++;
                        $this->skip_whitespace();
                        $this->state = 'encoding_value';
                }
                else
                {
                        $this->state = false;
                }
        }

        public function encoding_value()
        {
                if ($this->encoding = $this->get_value())
                {
                        $this->skip_whitespace();
                        if ($this->has_data())
                        {
                                $this->state = 'standalone_name';
                        }
                        else
                        {
                                $this->state = 'emit';
                        }
                }
                else
                {
                        $this->state = false;
                }
        }

        public function standalone_name()
        {
                if (substr($this->data, $this->position, 10) === 'standalone')
                {
                        $this->position += 10;
                        $this->skip_whitespace();
                        $this->state = 'standalone_equals';
                }
                else
                {
                        $this->state = false;
                }
        }

        public function standalone_equals()
        {
                if (substr($this->data, $this->position, 1) === '=')
                {
                        $this->position++;
                        $this->skip_whitespace();
                        $this->state = 'standalone_value';
                }
                else
                {
                        $this->state = false;
                }
        }

        public function standalone_value()
        {
                if ($standalone = $this->get_value())
                {
                        switch ($standalone)
                        {
                                case 'yes':
                                        $this->standalone = true;
                                        break;

                                case 'no':
                                        $this->standalone = false;
                                        break;

                                default:
                                        $this->state = false;
                                        return;
                        }

                        $this->skip_whitespace();
                        if ($this->has_data())
                        {
                                $this->state = false;
                        }
                        else
                        {
                                $this->state = 'emit';
                        }
                }
                else
                {
                        $this->state = false;
                }
        }
}

class SimplePie_Locator
{
        var $useragent;
        var $timeout;
        var $file;
        var $local = array();
        var $elsewhere = array();
        var $file_class = 'SimplePie_File';
        var $cached_entities = array();
        var $http_base;
        var $base;
        var $base_location = 0;
        var $checked_feeds = 0;
        var $max_checked_feeds = 10;
        var $content_type_sniffer_class = 'SimplePie_Content_Type_Sniffer';

        public function __construct(&$file, $timeout = 10, $useragent = null, $file_class = 'SimplePie_File', $max_checked_feeds = 10, $content_type_sniffer_class = 'SimplePie_Content_Type_Sniffer')
        {
                $this->file =& $file;
                $this->file_class = $file_class;
                $this->useragent = $useragent;
                $this->timeout = $timeout;
                $this->max_checked_feeds = $max_checked_feeds;
                $this->content_type_sniffer_class = $content_type_sniffer_class;
        }

        public function find($type = SIMPLEPIE_LOCATOR_ALL, &$working)
        {
                if ($this->is_feed($this->file))
                {
                        return $this->file;
                }

                if ($this->file->method & SIMPLEPIE_FILE_SOURCE_REMOTE)
                {
                        $sniffer = new $this->content_type_sniffer_class($this->file);
                        if ($sniffer->get_type() !== 'text/html')
                        {
                                return null;
                        }
                }

                if ($type & ~SIMPLEPIE_LOCATOR_NONE)
                {
                        $this->get_base();
                }

                if ($type & SIMPLEPIE_LOCATOR_AUTODISCOVERY && $working = $this->autodiscovery())
                {
                        return $working[0];
                }

                if ($type & (SIMPLEPIE_LOCATOR_LOCAL_EXTENSION | SIMPLEPIE_LOCATOR_LOCAL_BODY | SIMPLEPIE_LOCATOR_REMOTE_EXTENSION | SIMPLEPIE_LOCATOR_REMOTE_BODY) && $this->get_links())
                {
                        if ($type & SIMPLEPIE_LOCATOR_LOCAL_EXTENSION && $working = $this->extension($this->local))
                        {
                                return $working;
                        }

                        if ($type & SIMPLEPIE_LOCATOR_LOCAL_BODY && $working = $this->body($this->local))
                        {
                                return $working;
                        }

                        if ($type & SIMPLEPIE_LOCATOR_REMOTE_EXTENSION && $working = $this->extension($this->elsewhere))
                        {
                                return $working;
                        }

                        if ($type & SIMPLEPIE_LOCATOR_REMOTE_BODY && $working = $this->body($this->elsewhere))
                        {
                                return $working;
                        }
                }
                return null;
        }

        public function is_feed(&$file)
        {
                if ($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE)
                {
                        $sniffer = new $this->content_type_sniffer_class($file);
                        $sniffed = $sniffer->get_type();
                        if (in_array($sniffed, array('application/rss+xml', 'application/rdf+xml', 'text/rdf', 'application/atom+xml', 'text/xml', 'application/xml')))
                        {
                                return true;
                        }
                        else
                        {
                                return false;
                        }
                }
                elseif ($file->method & SIMPLEPIE_FILE_SOURCE_LOCAL)
                {
                        return true;
                }
                else
                {
                        return false;
                }
        }

        public function get_base()
        {
                $this->http_base = $this->file->url;
                $this->base = $this->http_base;
                $elements = SimplePie_Misc::get_element('base', $this->file->body);
                foreach ($elements as $element)
                {
                        if ($element['attribs']['href']['data'] !== '')
                        {
                                $this->base = SimplePie_Misc::absolutize_url(trim($element['attribs']['href']['data']), $this->http_base);
                                $this->base_location = $element['offset'];
                                break;
                        }
                }
        }

        public function autodiscovery()
        {
                $links = array_merge(SimplePie_Misc::get_element('link', $this->file->body), SimplePie_Misc::get_element('a', $this->file->body), SimplePie_Misc::get_element('area', $this->file->body));
                $done = array();
                $feeds = array();
                foreach ($links as $link)
                {
                        if ($this->checked_feeds === $this->max_checked_feeds)
                        {
                                break;
                        }
                        if (isset($link['attribs']['href']['data']) && isset($link['attribs']['rel']['data']))
                        {
                                $rel = array_unique(SimplePie_Misc::space_seperated_tokens(strtolower($link['attribs']['rel']['data'])));

                                if ($this->base_location < $link['offset'])
                                {
                                        $href = SimplePie_Misc::absolutize_url(trim($link['attribs']['href']['data']), $this->base);
                                }
                                else
                                {
                                        $href = SimplePie_Misc::absolutize_url(trim($link['attribs']['href']['data']), $this->http_base);
                                }

                                if (!in_array($href, $done) && in_array('feed', $rel) || (in_array('alternate', $rel) && !empty($link['attribs']['type']['data']) && in_array(strtolower(SimplePie_Misc::parse_mime($link['attribs']['type']['data'])), array('application/rss+xml', 'application/atom+xml'))) && !isset($feeds[$href]))
                                {
                                        $this->checked_feeds++;
                                        $feed = new $this->file_class($href, $this->timeout, 5, null, $this->useragent);
                                        if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed))
                                        {
                                                $feeds[$href] = $feed;
                                        }
                                }
                                $done[] = $href;
                        }
                }

                if (!empty($feeds))
                {
                        return array_values($feeds);
                }
                else {
                        return null;
                }
        }

        public function get_links()
        {
                $links = SimplePie_Misc::get_element('a', $this->file->body);
                foreach ($links as $link)
                {
                        if (isset($link['attribs']['href']['data']))
                        {
                                $href = trim($link['attribs']['href']['data']);
                                $parsed = SimplePie_Misc::parse_url($href);
                                if ($parsed['scheme'] === '' || preg_match('/^(http(s)|feed)?$/i', $parsed['scheme']))
                                {
                                        if ($this->base_location < $link['offset'])
                                        {
                                                $href = SimplePie_Misc::absolutize_url(trim($link['attribs']['href']['data']), $this->base);
                                        }
                                        else
                                        {
                                                $href = SimplePie_Misc::absolutize_url(trim($link['attribs']['href']['data']), $this->http_base);
                                        }

                                        $current = SimplePie_Misc::parse_url($this->file->url);

                                        if ($parsed['authority'] === '' || $parsed['authority'] === $current['authority'])
                                        {
                                                $this->local[] = $href;
                                        }
                                        else
                                        {
                                                $this->elsewhere[] = $href;
                                        }
                                }
                        }
                }
                $this->local = array_unique($this->local);
                $this->elsewhere = array_unique($this->elsewhere);
                if (!empty($this->local) || !empty($this->elsewhere))
                {
                        return true;
                }
                return null;
        }

        public function extension(&$array)
        {
                foreach ($array as $key => $value)
                {
                        if ($this->checked_feeds === $this->max_checked_feeds)
                        {
                                break;
                        }
                        if (in_array(strtolower(strrchr($value, '.')), array('.rss', '.rdf', '.atom', '.xml')))
                        {
                                $this->checked_feeds++;
                                $feed = new $this->file_class($value, $this->timeout, 5, null, $this->useragent);
                                if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed))
                                {
                                        return $feed;
                                }
                                else
                                {
                                        unset($array[$key]);
                                }
                        }
                }
                return null;
        }

        public function body(&$array)
        {
                foreach ($array as $key => $value)
                {
                        if ($this->checked_feeds === $this->max_checked_feeds)
                        {
                                break;
                        }
                        if (preg_match('/(rss|rdf|atom|xml)/i', $value))
                        {
                                $this->checked_feeds++;
                                $feed = new $this->file_class($value, $this->timeout, 5, null, $this->useragent);
                                if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed))
                                {
                                        return $feed;
                                }
                                else
                                {
                                        unset($array[$key]);
                                }
                        }
                }
                return null;
        }
}

class SimplePie_Parser
{
        var $error_code;
        var $error_string;
        var $current_line;
        var $current_column;
        var $current_byte;
        var $separator = ' ';
        var $namespace = array('');
        var $element = array('');
        var $xml_base = array('');
        var $xml_base_explicit = array(false);
        var $xml_lang = array('');
        var $data = array();
        var $datas = array(array());
        var $current_xhtml_construct = -1;
        var $encoding;

        public function parse(&$data, $encoding)
        {
                // Use UTF-8 if we get passed US-ASCII, as every US-ASCII character is a UTF-8 character
                if (strtoupper($encoding) === 'US-ASCII')
                {
                        $this->encoding = 'UTF-8';
                }
                else
                {
                        $this->encoding = $encoding;
                }

                // Strip BOM:
                // UTF-32 Big Endian BOM
                if (substr($data, 0, 4) === "\x00\x00\xFE\xFF")
                {
                        $data = substr($data, 4);
                }
                // UTF-32 Little Endian BOM
                elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00")
                {
                        $data = substr($data, 4);
                }
                // UTF-16 Big Endian BOM
                elseif (substr($data, 0, 2) === "\xFE\xFF")
                {
                        $data = substr($data, 2);
                }
                // UTF-16 Little Endian BOM
                elseif (substr($data, 0, 2) === "\xFF\xFE")
                {
                        $data = substr($data, 2);
                }
                // UTF-8 BOM
                elseif (substr($data, 0, 3) === "\xEF\xBB\xBF")
                {
                        $data = substr($data, 3);
                }

                if (substr($data, 0, 5) === '<?xml' && strspn(substr($data, 5, 1), "\x09\x0A\x0D\x20") && ($pos = strpos($data, '?>')) !== false)
                {
                        $declaration = new SimplePie_XML_Declaration_Parser(substr($data, 5, $pos - 5));
                        if ($declaration->parse())
                        {
                                $data = substr($data, $pos + 2);
                                $data = '<?xml version="' . $declaration->version . '" encoding="' . $encoding . '" standalone="' . (($declaration->standalone) ? 'yes' : 'no') . '"?>' . $data;
                        }
                        else
                        {
                                $this->error_string = 'SimplePie bug! Please report this!';
                                return false;
                        }
                }

                $return = true;

                static $xml_is_sane = null;
                if ($xml_is_sane === null)
                {
                        $parser_check = xml_parser_create();
                        xml_parse_into_struct($parser_check, '<foo>&amp;</foo>', $values);
                        xml_parser_free($parser_check);
                        $xml_is_sane = isset($values[0]['value']);
                }

                // Create the parser
                if ($xml_is_sane)
                {
                        $xml = xml_parser_create_ns($this->encoding, $this->separator);
                        xml_parser_set_option($xml, XML_OPTION_SKIP_WHITE, 1);
                        xml_parser_set_option($xml, XML_OPTION_CASE_FOLDING, 0);
                        xml_set_object($xml, $this);
                        xml_set_character_data_handler($xml, 'cdata');
                        xml_set_element_handler($xml, 'tag_open', 'tag_close');

                        // Parse!
                        if (!xml_parse($xml, $data, true))
                        {
                                $this->error_code = xml_get_error_code($xml);
                                $this->error_string = xml_error_string($this->error_code);
                                $return = false;
                        }
                        $this->current_line = xml_get_current_line_number($xml);
                        $this->current_column = xml_get_current_column_number($xml);
                        $this->current_byte = xml_get_current_byte_index($xml);
                        xml_parser_free($xml);
                        return $return;
                }
                else
                {
                        libxml_clear_errors();
                        $xml = new XMLReader();
                        $xml->xml($data);
                        while (@$xml->read())
                        {
                                switch ($xml->nodeType)
                                {

                                        case constant('XMLReader::END_ELEMENT'):
                                                if ($xml->namespaceURI !== '')
                                                {
                                                        $tagName = $xml->namespaceURI . $this->separator . $xml->localName;
                                                }
                                                else
                                                {
                                                        $tagName = $xml->localName;
                                                }
                                                $this->tag_close(null, $tagName);
                                                break;
                                        case constant('XMLReader::ELEMENT'):
                                                $empty = $xml->isEmptyElement;
                                                if ($xml->namespaceURI !== '')
                                                {
                                                        $tagName = $xml->namespaceURI . $this->separator . $xml->localName;
                                                }
                                                else
                                                {
                                                        $tagName = $xml->localName;
                                                }
                                                $attributes = array();
                                                while ($xml->moveToNextAttribute())
                                                {
                                                        if ($xml->namespaceURI !== '')
                                                        {
                                                                $attrName = $xml->namespaceURI . $this->separator . $xml->localName;
                                                        }
                                                        else
                                                        {
                                                                $attrName = $xml->localName;
                                                        }
                                                        $attributes[$attrName] = $xml->value;
                                                }
                                                $this->tag_open(null, $tagName, $attributes);
                                                if ($empty)
                                                {
                                                        $this->tag_close(null, $tagName);
                                                }
                                                break;
                                        case constant('XMLReader::TEXT'):

                                        case constant('XMLReader::CDATA'):
                                                $this->cdata(null, $xml->value);
                                                break;
                                }
                        }
                        if ($error = libxml_get_last_error())
                        {
                                $this->error_code = $error->code;
                                $this->error_string = $error->message;
                                $this->current_line = $error->line;
                                $this->current_column = $error->column;
                                return false;
                        }
                        else
                        {
                                return true;
                        }
                }
        }

        public function get_error_code()
        {
                return $this->error_code;
        }

        public function get_error_string()
        {
                return $this->error_string;
        }

        public function get_current_line()
        {
                return $this->current_line;
        }

        public function get_current_column()
        {
                return $this->current_column;
        }

        public function get_current_byte()
        {
                return $this->current_byte;
        }

        public function get_data()
        {
                return $this->data;
        }

        public function tag_open($parser, $tag, $attributes)
        {
                list($this->namespace[], $this->element[]) = $this->split_ns($tag);

                $attribs = array();
                foreach ($attributes as $name => $value)
                {
                        list($attrib_namespace, $attribute) = $this->split_ns($name);
                        $attribs[$attrib_namespace][$attribute] = $value;
                }

                if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['base']))
                {
                        $this->xml_base[] = SimplePie_Misc::absolutize_url($attribs[SIMPLEPIE_NAMESPACE_XML]['base'], end($this->xml_base));
                        $this->xml_base_explicit[] = true;
                }
                else
                {
                        $this->xml_base[] = end($this->xml_base);
                        $this->xml_base_explicit[] = end($this->xml_base_explicit);
                }

                if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['lang']))
                {
                        $this->xml_lang[] = $attribs[SIMPLEPIE_NAMESPACE_XML]['lang'];
                }
                else
                {
                        $this->xml_lang[] = end($this->xml_lang);
                }

                if ($this->current_xhtml_construct >= 0)
                {
                        $this->current_xhtml_construct++;
                        if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML)
                        {
                                $this->data['data'] .= '<' . end($this->element);
                                if (isset($attribs['']))
                                {
                                        foreach ($attribs[''] as $name => $value)
                                        {
                                                $this->data['data'] .= ' ' . $name . '="' . htmlspecialchars($value, ENT_COMPAT, $this->encoding) . '"';
                                        }
                                }
                                $this->data['data'] .= '>';
                        }
                }
                else
                {
                        $this->datas[] =& $this->data;
                        $this->data =& $this->data['child'][end($this->namespace)][end($this->element)][];
                        $this->data = array('data' => '', 'attribs' => $attribs, 'xml_base' => end($this->xml_base), 'xml_base_explicit' => end($this->xml_base_explicit), 'xml_lang' => end($this->xml_lang));
                        if ((end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_03 && in_array(end($this->element), array('title', 'tagline', 'copyright', 'info', 'summary', 'content')) && isset($attribs['']['mode']) && $attribs['']['mode'] === 'xml')
                        || (end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_10 && in_array(end($this->element), array('rights', 'subtitle', 'summary', 'info', 'title', 'content')) && isset($attribs['']['type']) && $attribs['']['type'] === 'xhtml'))
                        {
                                $this->current_xhtml_construct = 0;
                        }
                }
        }

        public function cdata($parser, $cdata)
        {
                if ($this->current_xhtml_construct >= 0)
                {
                        $this->data['data'] .= htmlspecialchars($cdata, ENT_QUOTES, $this->encoding);
                }
                else
                {
                        $this->data['data'] .= $cdata;
                }
        }

        public function tag_close($parser, $tag)
        {
                if ($this->current_xhtml_construct >= 0)
                {
                        $this->current_xhtml_construct--;
                        if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML && !in_array(end($this->element), array('area', 'base', 'basefont', 'br', 'col', 'frame', 'hr', 'img', 'input', 'isindex', 'link', 'meta', 'param')))
                        {
                                $this->data['data'] .= '</' . end($this->element) . '>';
                        }
                }
                if ($this->current_xhtml_construct === -1)
                {
                        $this->data =& $this->datas[count($this->datas) - 1];
                        array_pop($this->datas);
                }

                array_pop($this->element);
                array_pop($this->namespace);
                array_pop($this->xml_base);
                array_pop($this->xml_base_explicit);
                array_pop($this->xml_lang);
        }

        public function split_ns($string)
        {
                static $cache = array();
                if (!isset($cache[$string]))
                {
                        if ($pos = strpos($string, $this->separator))
                        {
                                static $separator_length;
                                if (!$separator_length)
                                {
                                        $separator_length = strlen($this->separator);
                                }
                                $namespace = substr($string, 0, $pos);
                                $local_name = substr($string, $pos + $separator_length);
                                if (strtolower($namespace) === SIMPLEPIE_NAMESPACE_ITUNES)
                                {
                                        $namespace = SIMPLEPIE_NAMESPACE_ITUNES;
                                }

                                // Normalize the Media RSS namespaces
                                if ($namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG ||
                                        $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG2 ||
                                        $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG3 ||
                                        $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG4 ||
                                        $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG5 )
                                {
                                        $namespace = SIMPLEPIE_NAMESPACE_MEDIARSS;
                                }
                                $cache[$string] = array($namespace, $local_name);
                        }
                        else
                        {
                                $cache[$string] = array('', $string);
                        }
                }
                return $cache[$string];
        }
}

class SimplePie_Sanitize
{
        // Private vars
        var $base;

        // Options
        var $remove_div = true;
        var $image_handler = '';
        var $strip_htmltags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style');
        var $encode_instead_of_strip = false;
        var $strip_attributes = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc');
        var $strip_comments = false;
        var $output_encoding = 'UTF-8';
        var $enable_cache = true;
        var $cache_location = './cache';
        var $cache_name_function = 'md5';
        var $cache_class = 'SimplePie_Cache';
        var $file_class = 'SimplePie_File';
        var $timeout = 10;
        var $useragent = '';
        var $force_fsockopen = false;

        var $replace_url_attributes = array(
                'a' => 'href',
                'area' => 'href',
                'blockquote' => 'cite',
                'del' => 'cite',
                'form' => 'action',
                'img' => array('longdesc', 'src'),
                'input' => 'src',
                'ins' => 'cite',
                'q' => 'cite'
        );

        public function remove_div($enable = true)
        {
                $this->remove_div = (bool) $enable;
        }

        public function set_image_handler($page = false)
        {
                if ($page)
                {
                        $this->image_handler = (string) $page;
                }
                else
                {
                        $this->image_handler = false;
                }
        }

        public function pass_cache_data($enable_cache = true, $cache_location = './cache', $cache_name_function = 'md5', $cache_class = 'SimplePie_Cache')
        {
                if (isset($enable_cache))
                {
                        $this->enable_cache = (bool) $enable_cache;
                }

                if ($cache_location)
                {
                        $this->cache_location = (string) $cache_location;
                }

                if ($cache_name_function)
                {
                        $this->cache_name_function = (string) $cache_name_function;
                }

                if ($cache_class)
                {
                        $this->cache_class = (string) $cache_class;
                }
        }

        public function pass_file_data($file_class = 'SimplePie_File', $timeout = 10, $useragent = '', $force_fsockopen = false)
        {
                if ($file_class)
                {
                        $this->file_class = (string) $file_class;
                }

                if ($timeout)
                {
                        $this->timeout = (string) $timeout;
                }

                if ($useragent)
                {
                        $this->useragent = (string) $useragent;
                }

                if ($force_fsockopen)
                {
                        $this->force_fsockopen = (string) $force_fsockopen;
                }
        }

        public function strip_htmltags($tags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style'))
        {
                if ($tags)
                {
                        if (is_array($tags))
                        {
                                $this->strip_htmltags = $tags;
                        }
                        else
                        {
                                $this->strip_htmltags = explode(',', $tags);
                        }
                }
                else
                {
                        $this->strip_htmltags = false;
                }
        }

        public function encode_instead_of_strip($encode = false)
        {
                $this->encode_instead_of_strip = (bool) $encode;
        }

        public function strip_attributes($attribs = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc'))
        {
                if ($attribs)
                {
                        if (is_array($attribs))
                        {
                                $this->strip_attributes = $attribs;
                        }
                        else
                        {
                                $this->strip_attributes = explode(',', $attribs);
                        }
                }
                else
                {
                        $this->strip_attributes = false;
                }
        }

        public function strip_comments($strip = false)
        {
                $this->strip_comments = (bool) $strip;
        }

        public function set_output_encoding($encoding = 'UTF-8')
        {
                $this->output_encoding = (string) $encoding;
        }

        public function set_url_replacements($element_attribute = array('a' => 'href', 'area' => 'href', 'blockquote' => 'cite', 'del' => 'cite', 'form' => 'action', 'img' => array('longdesc', 'src'), 'input' => 'src', 'ins' => 'cite', 'q' => 'cite'))
        {
                $this->replace_url_attributes = (array) $element_attribute;
        }

        public function sanitize($data, $type, $base = '')
        {
                $data = trim($data);
                if ($data !== '' || $type & SIMPLEPIE_CONSTRUCT_IRI)
                {
                        if ($type & SIMPLEPIE_CONSTRUCT_MAYBE_HTML)
                        {
                                if (preg_match('/(&(#(x[0-9a-fA-F]+|[0-9]+)|[a-zA-Z0-9]+)|<\/[A-Za-z][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E]*' . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . '>)/', $data))
                                {
                                        $type |= SIMPLEPIE_CONSTRUCT_HTML;
                                }
                                else
                                {
                                        $type |= SIMPLEPIE_CONSTRUCT_TEXT;
                                }
                        }

                        if ($type & SIMPLEPIE_CONSTRUCT_BASE64)
                        {
                                $data = base64_decode($data);
                        }

                        if ($type & SIMPLEPIE_CONSTRUCT_XHTML)
                        {
                                if ($this->remove_div)
                                {
                                        $data = preg_replace('/^<div' . SIMPLEPIE_PCRE_XML_ATTRIBUTE . '>/', '', $data);
                                        $data = preg_replace('/<\/div>$/', '', $data);
                                }
                                else
                                {
                                        $data = preg_replace('/^<div' . SIMPLEPIE_PCRE_XML_ATTRIBUTE . '>/', '<div>', $data);
                                }
                        }

                        if ($type & (SIMPLEPIE_CONSTRUCT_HTML | SIMPLEPIE_CONSTRUCT_XHTML))
                        {
                                // Strip comments
                                if ($this->strip_comments)
                                {
                                        $data = SimplePie_Misc::strip_comments($data);
                                }

                                // Strip out HTML tags and attributes that might cause various security problems.
                                // Based on recommendations by Mark Pilgrim at:
                                // http://diveintomark.org/archives/2003/06/12/how_to_consume_rss_safely
                                if ($this->strip_htmltags)
                                {
                                        foreach ($this->strip_htmltags as $tag)
                                        {
                                                $pcre = "/<($tag)" . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . "(>(.*)<\/$tag" . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . '>|(\/)?>)/siU';
                                                while (preg_match($pcre, $data))
                                                {
                                                        $data = preg_replace_callback($pcre, array(&$this, 'do_strip_htmltags'), $data);
                                                }
                                        }
                                }

                                if ($this->strip_attributes)
                                {
                                        foreach ($this->strip_attributes as $attrib)
                                        {
                                                $data = preg_replace('/(<[A-Za-z][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E]*)' . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . trim($attrib) . '(?:\s*=\s*(?:"(?:[^"]*)"|\'(?:[^\']*)\'|(?:[^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?' . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . '>/', '\1\2\3>', $data);
                                        }
                                }

                                // Replace relative URLs
                                $this->base = $base;
                                foreach ($this->replace_url_attributes as $element => $attributes)
                                {
                                        $data = $this->replace_urls($data, $element, $attributes);
                                }

                                // If image handling (caching, etc.) is enabled, cache and rewrite all the image tags.
                                if (isset($this->image_handler) && ((string) $this->image_handler) !== '' && $this->enable_cache)
                                {
                                        $images = SimplePie_Misc::get_element('img', $data);
                                        foreach ($images as $img)
                                        {
                                                if (isset($img['attribs']['src']['data']))
                                                {
                                                        $image_url = call_user_func($this->cache_name_function, $img['attribs']['src']['data']);
                                                        $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, $image_url, 'spi');

                                                        if ($cache->load())
                                                        {
                                                                $img['attribs']['src']['data'] = $this->image_handler . $image_url;
                                                                $data = str_replace($img['full'], SimplePie_Misc::element_implode($img), $data);
                                                        }
                                                        else
                                                        {
                                                                $file = new $this->file_class($img['attribs']['src']['data'], $this->timeout, 5, array('X-FORWARDED-FOR' => $_SERVER['REMOTE_ADDR']), $this->useragent, $this->force_fsockopen);
                                                                $headers = $file->headers;

                                                                if ($file->success && ($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300)))
                                                                {
                                                                        if ($cache->save(array('headers' => $file->headers, 'body' => $file->body)))
                                                                        {
                                                                                $img['attribs']['src']['data'] = $this->image_handler . $image_url;
                                                                                $data = str_replace($img['full'], SimplePie_Misc::element_implode($img), $data);
                                                                        }
                                                                        else
                                                                        {
                                                                                trigger_error("$this->cache_location is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING);
                                                                        }
                                                                }
                                                        }
                                                }
                                        }
                                }

                                // Having (possibly) taken stuff out, there may now be whitespace at the beginning/end of the data
                                $data = trim($data);
                        }

                        if ($type & SIMPLEPIE_CONSTRUCT_IRI)
                        {
                                $data = SimplePie_Misc::absolutize_url($data, $base);
                        }

                        if ($type & (SIMPLEPIE_CONSTRUCT_TEXT | SIMPLEPIE_CONSTRUCT_IRI))
                        {
                                $data = htmlspecialchars($data, ENT_COMPAT, 'UTF-8');
                        }

                        if ($this->output_encoding !== 'UTF-8')
                        {
                                $data = SimplePie_Misc::change_encoding($data, 'UTF-8', $this->output_encoding);
                        }
                }
                return $data;
        }

        public function replace_urls($data, $tag, $attributes)
        {
                if (!is_array($this->strip_htmltags) || !in_array($tag, $this->strip_htmltags))
                {
                        $elements = SimplePie_Misc::get_element($tag, $data);
                        foreach ($elements as $element)
                        {
                                if (is_array($attributes))
                                {
                                        foreach ($attributes as $attribute)
                                        {
                                                if (isset($element['attribs'][$attribute]['data']))
                                                {
                                                        $element['attribs'][$attribute]['data'] = SimplePie_Misc::absolutize_url($element['attribs'][$attribute]['data'], $this->base);
                                                        $new_element = SimplePie_Misc::element_implode($element);
                                                        $data = str_replace($element['full'], $new_element, $data);
                                                        $element['full'] = $new_element;
                                                }
                                        }
                                }
                                elseif (isset($element['attribs'][$attributes]['data']))
                                {
                                        $element['attribs'][$attributes]['data'] = SimplePie_Misc::absolutize_url($element['attribs'][$attributes]['data'], $this->base);
                                        $data = str_replace($element['full'], SimplePie_Misc::element_implode($element), $data);
                                }
                        }
                }
                return $data;
        }

        public function do_strip_htmltags($match)
        {
                if ($this->encode_instead_of_strip)
                {
                        if (isset($match[4]) && !in_array(strtolower($match[1]), array('script', 'style')))
                        {
                                $match[1] = htmlspecialchars($match[1], ENT_COMPAT, 'UTF-8');
                                $match[2] = htmlspecialchars($match[2], ENT_COMPAT, 'UTF-8');
                                return "&lt;$match[1]$match[2]&gt;$match[3]&lt;/$match[1]&gt;";
                        }
                        else
                        {
                                return htmlspecialchars($match[0], ENT_COMPAT, 'UTF-8');
                        }
                }
                elseif (isset($match[4]) && !in_array(strtolower($match[1]), array('script', 'style')))
                {
                        return $match[4];
                }
                else
                {
                        return '';
                }
        }
}