Update the current session id with a newly generated one


(PHP 4 >= 4.3.2, PHP 5)

session_regenerate_id Update the current session id with a newly generated one

Описание

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.

Список параметров

delete_old_session

Whether to delete the old associated session file or not.

Возвращаемые значения

Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.

Список изменений

Версия Описание
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.

Примеры

Пример #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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