header('origin'); if(empty($origin)){ $referer = $request->header('referer'); if(!empty($referer)&&preg_match("/^((https|http):\/\/)?([^\/]+)/i", $referer, $matches)){ $origin = $matches[0]; } } $response = $next($request); $response->header('Access-Control-Allow-Origin', trim($origin, '/')); $response->header('Access-Control-Allow-Methods', 'GET,POST,OPTIONS'); $response->header('Access-Control-Allow-Headers', 'Content-Type,X-Requested-With'); $response->header('Access-Control-Allow-Credentials', 'true'); $response->header('Access-Control-Max-Age', 10080); return $response; } }