private function _loadVideos()
{
$youtube = new YouTube($this->_developerKey);
$playlist = $youtube->getPlaylist($this->_id, $this->_maxResults, $this->_startIndex);
//load playlist data
$xml = new SimpleXMLElement($playlist);
$this->_title = (string) $xml->title;
$this->_subtitle = (string) $xml->subtitle;
//load videos
return parent::populate($playlist);
}
