/** * @access protected * @static * @return DOMXPath */ protected static function _getXPath($url) { $url = parent::getUrl($url); if (parent::getLastLoadedUrl() == $url && self::$_xpath) { return self::$_xpath; } $html = static::_getAlexaPage($url); $doc = parent::_getDOMDocument($html); $xpath = parent::_getDOMXPath($doc); self::$_xpath = $xpath; return $xpath; }