note 18574 added to function.session-register

Please note that you can NOT session_destroy() and session_register() in the same request. If you do this you'll get the error message 'Constant sid already defined'. This bug has been reported on June 2001(http://bugs.php.net/bug.php?id=11643) and by the time of this posting was not closed yet. -- http://www.php.net/manual/en/function.session-register.php http://master.php.net/manage/user-notes.php?action=edit+18574 http://master.php.net/manage/user-notes.php?action=delete+18574 http://master.php.net/manage/user-notes.php?action=reject+18574