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session_regenerate_id
Update the current session id with a newly generated one
(PHP 4 >= 4.3.2, PHP 5)
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 associated session file or not. Defaults to
FALSE.
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 2226. 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);
?>