session_is_registered

session_is_registered -- Find out if a variable is registered in a session

Description

bool session_is_registered ( string name)

session_is_registered( ) returns TRUE if there is a variable with the name name registered in the current session .

הערה :

זהירות

If you are using $HTTP_SESSION_VARS / $_SESSION , do not use session_register( ) , session_is_registered( ) and session_unregister( ) .