Zf2 session container fall test

container.php

<?php
ini_set('display_errors', 1);
chdir(dirname(__DIR__));
require 'init_autoloader.php';

$container = new \Zend\Session\Container('name1');
var_dump($container->offsetGet('f'));
$container->offsetSet('f', 'val');
var_dump(session_id());

start-session.php

<?php

echo session_start();
var_dump(session_id());