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

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<?php

class Zend_Service_Yahoo_ResultSet implements SeekableIterator
{
    public $totalResultsAvailable;

    public $totalResultsReturned;

    public $firstResultPosition;

    protected $_results;

    protected $_dom;

    protected $_xpath;

    protected $_currentIndex = 0;


    public function __construct(DOMDocument $dom)
    {
        $this->totalResultsAvailable = (int) $dom->documentElement->getAttribute('totalResultsAvailable');
        $this->totalResultsReturned = (int) $dom->documentElement->getAttribute('totalResultsReturned');
        $this->firstResultPosition = (int) $dom->documentElement->getAttribute('firstResultPosition');

        $this->_dom = $dom;
        $this->_xpath = new DOMXPath($dom);

        $this->_xpath->registerNamespace('yh', $this->_namespace);

        $this->_results = $this->_xpath->query('//yh:Result');
    }


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


    public function current()
    {
        require_once 'Zend/Service/Exception.php';
        throw new Zend_Service_Exception('Zend_Service_Yahoo_ResultSet::current() must be implemented by child '
                                       . 'classes');
    }


    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 && $indexInt < $this->_results->length) {
            $this->_currentIndex = $indexInt;
        } else {
            throw new OutOfBoundsException("Illegal index '$index'");
        }
    }


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