Kernel.php

<?php

namespace App;

/*
 * This file is part of Sulu.
 *
 * (c) MASSIVE ART WebServices GmbH
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

use FOS\HttpCache\SymfonyCache\HttpCacheProvider;
use Sulu\Bundle\HttpCacheBundle\Cache\SuluHttpCache;
use Sulu\Component\HttpKernel\SuluKernel;
use Symfony\Component\Config\Loader\LoaderInterface;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\HttpKernel\HttpKernelInterface;

class Kernel extends SuluKernel implements HttpCacheProvider
{
    /**
     * @var HttpKernelInterface
     */
    private $httpCache;

    public function __construct(string $environment, bool $debug, string $suluContext = self::CONTEXT_ADMIN)
    {
        parent::__construct($environment, $debug, $suluContext);
    }

    protected function configureContainer(ContainerBuilder $container, LoaderInterface $loader)
    {
        // Feel free to remove the "container.autowiring.strict_mode" parameter
        // if you are using symfony/dependency-injection 4.0+ as it's the default behavior
        $container->setParameter('container.autowiring.strict_mode', true);
        $container->setParameter('container.dumper.inline_class_loader', true);

        parent::configureContainer($container, $loader);
    }

    public function getHttpCache()
    {
        if (!$this->httpCache) {
            $this->httpCache = new SuluHttpCache($this);
        }

        return $this->httpCache;
    }
}