header("Expires: Sat, 26 Jul 1997 05:00:00 GMT"); // Date in the past header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); header("Cache-Control: post-check=0, pre-check=0", false); header('Content-type: text/html; charset=UTF-8'); header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); header("Pragma: no-cache"); ?>