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(PHP 4 >= 4.3.2, PHP 5)

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

Description

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.

Parameters

delete_old_session

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

Return Values

Returns TRUE on success or FALSE on failure.

ChangeLog

Version Description 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.

Examples

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);
?>

Related Function(s)

session_id()

session_start()

session_name()