<?php 
 
require __DIR__.'/common.inc'; 
 
use Symfony\Component\HttpFoundation\Session\Flash\FlashBag; 
use Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage; 
 
$storage = new NativeSessionStorage(); 
$storage->setSaveHandler(new TestSessionHandler()); 
$flash = new FlashBag(); 
$storage->registerBag($flash); 
$storage->start(); 
 
$flash->add('foo', 'bar'); 
 
print_r($flash->get('foo')); 
echo empty($_SESSION) ? '$_SESSION is empty' : '$_SESSION is not empty'; 
echo "\n"; 
 
$storage->save(); 
 
echo empty($_SESSION) ? '$_SESSION is empty' : '$_SESSION is not empty'; 
 
ob_start(function ($buffer) { return str_replace(session_id(), 'random_session_id', $buffer); }); 
 
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