this should work ... in the top of the page, before any other headers are
header ("Ex-pires:Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
// al-ways modified
header ("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
header ("Pragma: no-cache"); // HTTP/1.0
> -----Original Message-----
> From: Marcelo Pereira [mailto:[EMAIL PROTECTED]]
> Sent: 20 March 2001 12:32
> To: [EMAIL PROTECTED]
> Subject: [PHP-DB] Expires Pages
> I'd like the user of my site to log in/out, but, how can I
> disallow the user to press the 'back button' of the browse
> after logout, and back to the page ???
> What I need:
> - The user press 'logout';
> if (user press the 'back button' of the browser) then
> show a page telling that the page expired just when the
> user clicked at logout.
> I was reading about cookies, I think I have to go in this
> direction, but, how ???
> Thanks in advance,
> See ya.
> Marcelo Pereira
> Campinas' University - Brazil
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