ElggRewriteTester::fetchUrl PHP Method

    private function fetchUrl($url)
    {
        $response = '';
        if (ini_get('allow_url_fopen')) {
            $ctx = stream_context_create(array('http' => array('follow_location' => 0, 'timeout' => 5)));
            $response = @file_get_contents($url, null, $ctx);
        }
        if (!$response && function_exists('curl_init')) {
            $ch = curl_init();
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            curl_setopt($ch, CURLOPT_TIMEOUT, 5);
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
            $response = curl_exec($ch);
            curl_close($ch);
        }
        return (string) $response;
    }