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<session_namesession_register>
Last updated: Mon, 16 Jul 2012

session_regenerate_id

(PHP 4 >= 4.3.2, PHP 5)

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

说明

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.

参数

delete_old_session

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

返回值

如果成功则返回 TRUE，失败则返回 FALSE。

更新日志

版本说明
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.

例

例子 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);
?>

参见

session_id()
session_start()
session_name()




<session_namesession_register>
 Last updated: Mon, 16 Jul 2012
 
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