session_is_registered
(PHP 4, PHP 5)
session_is_registered — Find out whether a global variable is registered in a session
Description
bool session_is_registered
( string $name
)
Parameters
-
name
-
The variable name.
Return Values
session_is_registered() returns TRUE if there is a
global variable with the name name
registered in
the current session, FALSE otherwise.
Notes
Note:
If $_SESSION (or $HTTP_SESSION_VARS
for PHP 4.0.6 or less) is used, use isset() to check a
variable is registered in $_SESSION.
session_id
