public function render($youtube, array $options = array()) {
        $this->_setDefaultAttribs($options);

        $_attribs = $options['attribs'];
        $_attribs['width'] = $options['width'];
        $_attribs['height'] = $options['height'];
        $_attribs['frameborder'] = '0';
        $_attribs['allowfullscreen'] = 'allowfullscreen';

        // unset the parameters that are not part of the query string
        unset($options['width']);
        unset($options['height']);
        unset($options['attribs']);

        // create the YouTube URL
        $youtubeUrl = $this->getPlayerUrl($youtube, $options);
        $_attribs['src'] = $youtubeUrl;

        $html = '<iframe' . $this->_htmlAttribs($_attribs) . '></iframe>';
        return $html;
    }