How about this incorporated somewhere:

$s = (SERVER_PROTOCOL == "HTTP/1.0") ? "Pragma: no-cache" : "Cache-Control:
no-cache, must-revalidate";

This code must be at the start of the script  BEFORE anything is output to
the browser - as it sends an additional HTTP header (hence the function

Hope that helps


-----Original Message-----
From: Jonathan Hilgeman [mailto:[EMAIL PROTECTED]]
Sent: 18 April 2002 19:37
To: 'Natividad Castro';
Subject: RE: [PHP-DB] page expires

-----Original Message-----
From: Natividad Castro [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, April 17, 2002 6:12 AM
Subject: [PHP-DB] page expires

Hi to all,

I have form that users fill out and submit. What I'm trying to do is not to
let users to go back to the form after they have submmited, or if they go
bak, make the page expires.
Can someone please tell me or give an idea on how to do it?

Thanks in advanced

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