session nightmare

[joeisbatman]

The php manual has conflicting data on this issue, and I keep hearing different things from everyone.

I have one variable that I need to be constantly updated. Using session variables how can I keep this variable updated? I find that a if I do-
session_start();
$foo =5;
session_register('foo);
------------------------
Then on another page
------------------------
session_start();
$foo = $foo + 5;
echo $foo;

The result is 10. If I keep hitting refresh on this page the number will continue to go up. HOwever once i leave this page, the # returns to 5. Let me quote a post in the PHP docs:
====================================================
Re: changing registered variables.

registered session vars cannot be changed by the user. I.e. typing in

http://www.money.com/securestuff/index.php?valid_user=true

will not cause the "$valid_user" var, which we have previously
registered,
to be overwritten with the value "true".
You can change the value of registered vars in your script. I.e. coding

if ($thisguyisvalid) {
$valid_user = 'true';
}
will work. The $valid_user var will continue to be set at true for the
session, or until you explicitly change it again.
=========================================================
So can anyone clear this up?

 

[joeisbatman]

Dude fellas, sorry ignore this post. I just jumped out of bed to discover that this post doesn't make coherent sense (too tired maybe?). Of course my variable wasn't going to change cuz I kept resetting it back to 5. Solving this simple example isn't near helping me with my larger problem. Oh well, until I can figure out my question-- Thanks anyway.