hmmm
well I guess it doesn't always happen
it happens when HTTP headers like
Cache-Control: no-store, no-cache, must-revalidate, post-check=0,
pre-check=0
and
Pragma: no-cache
are sent.
try to sniff out that site via telnet http requests and see if it sends any
of these. Some script might be
Here is how I solved the problem assuming that you are running a session
After a successful login do this:
if ($step != 1)
$_SESSION['step']=1;
header(location: redirect.php);
}
else{
//Code for successful login
}
The redirect.php page simply redirects them back to the login page.
> Hello,
>
> Hope that someone could help me. Everytime I use the Back button on my
> browser the page expires. I get this message:
>
> Warning: Page has Expired
>
> The page you requested was created using information you submitted in a
> form. This page is no longer available. As a security preca
David,
By any chance are you using sessions? I had an error like this once (Mozilla
didn't bark about it but I still have to code for IE :-<) and I had to
change the session_cache_limiter to public or private (private would likely
be preferrable). See
http://www.php.net/manual/en/function.session-
