session_regenerate_id

(PHP 4 >= 4.3.2, PHP 5)

session_regenerate_id --  Update the current session id with a newly generated one

Beskrivelse

bool session_regenerate_id ( [bool delete_old_session] )

session_regenerate_id() will replace the current session id with a new one, and keep the current session information.

Parameterliste

delete_old_session

Whether to delete the old associated session file or not. Defaults to FALSE.

Returneringsværdier

Returnerer TRUE ved succes, FALSE ved fejl.

ChangeLog

VersionBeskrivelse
4.3.3 Since then, if session cookies are enabled, use of session_regenerate_id() will also submit a new session cookie with the new session id.
5.1.0 Added the delete_old_session parameter.

Eksempler

Eksempel 1. A session_regenerate_id() example

<?php
session_start
();

$old_sessionid = session_id();

session_regenerate_id();

$new_sessionid = session_id();

echo
"Old Session: $old_sessionid<br />";
echo
"New Session: $new_sessionid<br />";

print_r($_SESSION);
?>

Se også

session_id()
session_start()
session_name()