- print_r: documentation ( source)
- session_regenerate_id: documentation ( source)
- session_start: documentation ( source)
- session_id: documentation ( source)
<?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);