function index() { $content = CSS::cache_content($_GET['f']); header('Expires: Thu, 15 Apr 2100 20:00:00 GMT'); header('Pragma: public'); header('Cache-Control: max-age=604800'); header('Content-Type: text/css; charset:utf-8'); ob_start('ob_gzhandler'); echo $content; ob_end_flush(); exit; }