[SOLVED] Carrying Variables

[supanoob]

ok so i am working on a new battle script for my website and i am looking for a way to carry over the battle ID without using a form or the URL. Basically i want it carried over in such a way it cannot be tampered with. Can this be done or would i need to use:

 

battle.php?battleid=$ID

[micah1701]

use sessions.

 

<?php session_start(); //at the top of each page
...
$_SESSION['battleid'] = "whatevertheIDis";
...
?>

then on the next page:
<?php session_start();
...
echo $_SESSION['battleid'];
...
?>

[supanoob]

and how would i go about ending this session? and would this work for mulitple battles happenin at once?

[xyn]

session_destroy();  # destroys all
unset($_SESSION); # destroys all (never used this)
unset($_SESSION['name']); # Distroys single, or separate multiple with ','

[supanoob]

session_destroy();  # destroys all
unset($_SESSION); # destroys all (never used this)
unset($_SESSION['name']); # Distroys single, or separate multiple with ','

 

would this session thing work with multiple battles going on at once?