I've got this sessions script and every once in a while it won't log you out when you tell it to. The logout script is about 5 lines, it does a couple SQL things, then deletes the cookie. That's it.

I've built my site in PHP and I'm using sessions on my site (without cookies at the moment). When my pages are rendered, it sticks the PHPSESSID at the end of the url. Besides being annoying and from ...