Php/docs/function.session-unregister
session_unregister
(PHP 4, PHP 5 < 5.4.0)
session_unregister — Unregister a global variable from the current session
Description
session_unregister
( string $name
) : bool
session_unregister() unregisters the global variable
named name
from the current session.
Warning This function has been DEPRECATED as of PHP 5.3.0 and REMOVED as of PHP 5.4.0.
Parameters
name
- The variable name.
Return Values
Returns TRUE
on success or FALSE
on failure.
Notes
Note:
If
$_SESSION
is used, use unset() to unregister a session variable. Do not unset()$_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().