session_is_registered

(PHP 4, PHP 5 < 5.4.0)

session_is_registeredFind out whether a global variable is registered in a session

Description

session_is_registered ( string $name ) : bool

Finds out whether a global variable is registered in a 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

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 is used, use isset() to check a variable is registered in $_SESSION.

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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