C:/xampp/htdocs/moodle/lib/zend/Zend/Service/Simpy/TagSet.php

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<?php

require_once 'Zend/Service/Simpy/Tag.php';


class Zend_Service_Simpy_TagSet implements IteratorAggregate
{
    protected $_tags;

    public function __construct(DOMDocument $doc)
    {
        $xpath = new DOMXPath($doc);
        $list = $xpath->query('//tags/tag');
        $this->_tags = array();

        for ($x = 0; $x < $list->length; $x++) {
            $this->_tags[$x] = new Zend_Service_Simpy_Tag($list->item($x));
        }
    }

    public function getIterator()
    {
        return new ArrayIterator($this->_tags);
    }

    public function getLength()
    {
        return count($this->_tags);
    }
}