session_unset

session_unset

Free all session variables

bool **session_unset**

The function frees all session variables currently registered. session_unset

return.success

Opmerking: > If is used, use to unregister a session variable, i.e. . $_SESSION``unset``unset($_SESSION['varname']);

Let op: > Do NOT unset the whole with as this will disable the registering of session variables through the superglobal. $_SESSION``unset($_SESSION)``$_SESSION

Opmerking: > The use of is identical to . session_unset``$_SESSION = []

Let op: > This function works only if a session is active. It will not clear the array if the session has not been started yet or has already been destroyed. Use to unset all session variables even if the session is not active. $_SESSION``$_SESSION = []