RE: [Phplib-users] How to disable browser caching

[Daniel B. <bo...@io...>]

how do you avoid the browser messages for pages that that were created
from form posts?

every browser handles form posts and caching a bit differently, so there
is no way to guarantee not getting the message.  Setting PHPLIB to
no-cache will still come up with error messages when going back to pages
that were created from form posts (like the phplib login page).



-----Original Message-----
From: Layne Weathers [mailto:la...@if...]
Sent: Thursday, March 28, 2002 10:48 AM
To: 'Carl Youngblood'; php...@li...
Subject: RE: [Phplib-users] How to disable browser caching


> I have seen this behavior in IE all the time.  And I'm using
> IE version 6.0.
> There must be an official way to disable page caching because
> I've seen a
> lot of high profile sites, like financial sites, that show
> this "page has
> expired" message when clicking the back button.


Yes, but why would you ever _want_ that to happen on your site? If a
visitor
sees a stupid browser message while on my site, then I'm not earning my
paycheck. Instead, I use the no-cache feature of PHPLib's sessions to
rebuild the page. Of course some browsers, like Opera, may cache the
pages
anyway (and I think Opera is right to keep a true history of pages
seen).
Any problems caused by actions taken from an obsolete page will be
caught by
basic data checking.

Layne Weathers
Ifworld Inc.


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