session_unregister
(PHP 4 )
session_unregister -- Unregister a global variable from
the current session
Description
bool session_unregister ( string name)
session_unregister() unregisters the global variable named
name from the current session.
This function returns TRUE when the variable is successfully
unregistered from the session.
Note: If $_SESSION (or $HTTP_SESSION_VARS for PHP 4.0.6
or less) is used, use unset() to unregister a session variable.
Do not unset() $_SESSION itself as this will disable the
special function of the $_SESSION superglobal.
Caution
This function does not unset the corresponding global variable
for name, it only prevents the variable from being saved
as part of the session. You must call unset() to remove
the corresponding global variable.
Caution
If you are using $_SESSION (or $HTTP_SESSION_VARS), do not
use session_register(), session_is_registered() and session_unregister().
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