When you execute a PHP script from another PHP script and pass data using URL parameters, those parameters are visible on the address bar. A user can see and change the parameters. It's possible to ...
When you are working with an application, you open it, do some changes and then you close it. This is much like a Session. The computer knows who you are. It knows when you start the application and ...
I'm toying around with session variables in PHP, and I'm pulling my hair out trying to disable the PHPSESSID that gets appended to all my links. (It breaks my XHTML, damnit!) I'm trying to use cookies ...