<?php
class Test
{
function __wakeup() { print "wakeup\n"; }
}
session_start();
session_decode('core|a:1:{s:23:"_session_validator_data";a:4:{s:11:"remote_addr";s:9:"127.0.0.1";s:8:"http_via";s:0:"";s:20:"http_x_forwarded_for";s:0:"";s:15:"http_user_agent";s:49:"";}}test|a:2:{i:0;O:4:"Test":0:{}i:1;a:1:{i:0;s:0:"";}}');
var_dump($_SESSION);