QL\QueryList::_request PHP Method

    private function _request($url)
    {
        if (function_exists('curl_init')) {
            $ch = curl_init();
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
            curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
            curl_setopt($ch, CURLOPT_AUTOREFERER, true);
            curl_setopt($ch, CURLOPT_REFERER, $url);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            $result = curl_exec($ch);
            curl_close($ch);
        } elseif (version_compare(PHP_VERSION, '5.0.0') >= 0) {
            $opts = array('http' => array('header' => "Referer:{$url}"));
            $result = file_get_contents($url, false, stream_context_create($opts));
        } else {
            $result = file_get_contents($url);
        }
        return $result;
    }