public static function getServerResponse($url = null, $format = false, $onlyResponseCode = false, $checkIfSent = false) { if (!is_bool($checkIfSent)) { throw new \Exception('CheckIfSent parameter must be an boolean'); } if (!is_bool($onlyResponseCode)) { throw new \Exception('onlyResponseCode parameter must be an boolean'); } if ($onlyResponseCode) { return self::getHeaderResponseStatusCode(); } if (is_null($url)) { $request = Http::getRootRequest(); $url = Http::isHttps() ? 'https://' . $request : 'http://' . $request; } if (!Validate::isUrl($url)) { throw new \Exception('Url must be a valid url'); } if (!is_bool($format)) { throw new \Exception('Format parameter must be an boolean'); } $response = $checkIfSent ? headers_sent() ? get_headers($url, $format) : null : get_headers($url, $format); if (!$response && !$checkIfSent) { throw new \Exception('Error while get headers response status'); } return $response; }