php man page for session_regenerate_id

SESSION_REGENERATE_ID(3)						 1						  SESSION_REGENERATE_ID(3)

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

SYNOPSIS
       bool session_regenerate_id ([bool  $delete_old_session = false])

DESCRIPTION
       session_regenerate_id(3) will replace the current session id with a new one, and keep the current session information.

PARAMETERS
	      o $delete_old_session
		- Whether to delete the old associated session file or not.

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(3) 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(3) 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);
	      ?>

SEE ALSO
       session_id(3), session_start(3), session_name(3).

PHP Documentation Group 												  SESSION_REGENERATE_ID(3)