header("HTTP/1.1 200 OK");
            header("Status: 200 OK");
            header("Pragma: public");
            header("Cache-control: public");
            header("Accept-Ranges: bytes");
            header('Last-Modified: Sat, 03 Mar 1973 09:46:40 GMT');
            header('Expires: Wed, 18 May 2033 03:33:20 GMT');
            header("Content-Length: " . strlen($content));
            header("Content-Type: $content_type");
            header("Connection: close");
            
            echo $content;