C:/xampp/htdocs/moodle/lib/zend/Zend/Service/Flickr/ResultSet.php

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<?php

require_once 'Zend/Service/Flickr/Result.php';


class Zend_Service_Flickr_ResultSet implements SeekableIterator
{
    public $totalResultsAvailable;

    public $totalResultsReturned;

    public $firstResultPosition;

    protected $_results = null;

    private $_flickr;

    private $_currentIndex = 0;

    public function __construct(DOMDocument $dom, Zend_Service_Flickr $flickr)
    {
        $this->_flickr = $flickr;

        $xpath = new DOMXPath($dom);

        $photos = $xpath->query('//photos')->item(0);

        $page    = $photos->getAttribute('page');
        $pages   = $photos->getAttribute('pages');
        $perPage = $photos->getAttribute('perpage');
        $total   = $photos->getAttribute('total');

        $this->totalResultsReturned  = ($page == $pages || $pages == 0) ? ($total - ($page - 1) * $perPage) : (int) $perPage;
        $this->firstResultPosition   = ($page - 1) * $perPage + 1;
        $this->totalResultsAvailable = (int) $total;

        if ($total > 0) {
            $this->_results = $xpath->query('//photo');
        }
    }

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

    public function current()
    {
        return new Zend_Service_Flickr_Result($this->_results->item($this->_currentIndex), $this->_flickr);
    }

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

    public function next()
    {
        $this->_currentIndex += 1;
    }

    public function rewind()
    {
        $this->_currentIndex = 0;
    }

    public function seek($index)
    {
        $indexInt = (int) $index;
        if ($indexInt >= 0 && (null === $this->_results || $indexInt < $this->_results->length)) {
            $this->_currentIndex = $indexInt;
        } else {
            throw new OutOfBoundsException("Illegal index '$index'");
        }
    }

    public function valid()
    {
        return null !== $this->_results && $this->_currentIndex < $this->_results->length;
    }
}