How do I make Firefox reload page when back button is pressed?

Question

I have tried every combination and permutation of meta tags that are supposed to stop a page from being cached, but Firefox STILL caches the page! I just need the U

Answer 1

session_cache_limiter('nocache');

That should automatically generate all the required headers. Note that some browsers, such as Opera, still ignore these when using the back button.

EDIT

The relevant headers are as follows, in case you want to generate them some other way:

Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache