index.php

<?php
// web/index.php

require_once __DIR__.'/../app/bootstrap.php.cache';
require_once __DIR__.'/../app/AppKernel.php';

use Symfony\Component\HttpFoundation\Request;
use Caefer\StaticKernel\StaticCache; // or whatever name and namespace it would have..

$kernel = new AppKernel('prod', false);
$kernel->loadClassCache();
// wrap the default AppKernel with the StaticCache one
$kernel = new StaticCache($kernel);
$kernel->handle(Request::createFromGlobals())->send(); // send the raw response after writing it to disk