[code]
<?
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"
; // Date in the past
header("Last-Modified: " . gmdate("D, d M Y H:i:s"
. " GMT"
; // always modified
header("Cache-Control: no-cache, must-revalidate"
; // HTTP/1.1
header("Pragma: no-cache"
; // HTTP/1.0
?>
[/code]