(PHP 4 >= 4.0.0)
session_unregister --
Unregister a variable from the current session
Description
bool session_unregister (string name)
session_unregister() unregisters (forgets)
the global variable named name from the
current session.
This function returns TRUE when the variable is successfully
unregistered from the session.
Note:
This function was added in PHP 4.0.