session_is_registered(3) [php man page]

SESSION_IS_REGISTERED(3)						 1						  SESSION_IS_REGISTERED(3)

session_is_registered - Find out whether a global variable is registered in a session

SYNOPSIS

       bool session_is_registered (string  $name)

DESCRIPTION

	Finds out whether a global variable is registered in a session.

       Warning

	      This function has been DEPRECATED as of PHP 5.3.0 and REMOVED as of PHP 5.4.0.

PARAMETERS

	      o $name
		- The variable name.

RETURN VALUES

       session_is_registered(3) returns TRUE if there is a global variable with the name $name registered in the current session, FALSE otherwise.

NOTES

       Note

	       If $_SESSION (or $HTTP_SESSION_VARS for PHP 4.0.6 or less) is used, use isset(3) to check a variable is registered in $_SESSION.

       Caution

	       If  you	are using $_SESSION (or $HTTP_SESSION_VARS), do not use session_register(3), session_is_registered(3) and session_unregis-
	      ter(3).

PHP Documentation Group 												  SESSION_IS_REGISTERED(3)

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)