101
101
header('HTTP/1.1 304 Not Modified');
102
102
header('Last-Modified: '. gmdate('D, d M Y H:i:s', filemtime($imagepath)) .' GMT');
103
103
header('Expires: '. gmdate('D, d M Y H:i:s', time() + $lifetime) .' GMT');
105
105
header('Content-Type: '.$mimetype);
106
106
header('Etag: "'.$etag.'"');