International PHP Conference 2015

session_regenerate_id

(PHP 4 >= 4.3.2, PHP 5)

session_regenerate_id Update the current session id with a newly generated one

Descrizione

bool session_regenerate_id ([ bool $delete_old_session = false ] )

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

When session.use_trans_sid is enabled, output must be started after session_regenerate_id() call. Otherwise, old session ID is used.

Elenco dei parametri

delete_old_session

Whether to delete the old associated session file or not.

Valori restituiti

Restituisce TRUE in caso di successo, FALSE in caso di fallimento.

Log delle modifiche

Versione Descrizione
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.

Esempi

Example #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);
?>

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