- time: documentation ( source)
- print_r: documentation ( source)
- session_regenerate_id: documentation ( source)
- session_start: documentation ( source)
- session_id: documentation ( source)
<?php
session_start();
$old_sessionid = session_id();
// Set destroyed timestamp
$_SESSION['destroyed'] = time(); // Since PHP 7.0.0 and up, session_regenerate_id() saves old session data
// Simply calling session_regenerate_id() may result in lost session, etc.
// See next example.
session_regenerate_id();
print_r($_SESSION);