AppKernel.php

<?php

use Symfony\Component\Config\Loader\LoaderInterface;
use Symfony\Component\HttpKernel\Kernel;

class AppKernel extends Kernel
{
    public function registerBundles()
    {
        // When you install a third-party bundle or create a new bundle in your
        // application, you must add it in the following array to register it
        // in the application. Otherwise, the bundle won't be enabled and you
        // won't be able to use it.
        $bundles = [
            new Symfony\Bundle\FrameworkBundle\FrameworkBundle(),
            new Symfony\Bundle\SecurityBundle\SecurityBundle(),
            new Symfony\Bundle\TwigBundle\TwigBundle(),
            new Symfony\Bundle\MonologBundle\MonologBundle(),
            new Doctrine\Bundle\DoctrineBundle\DoctrineBundle(),
            new Sensio\Bundle\FrameworkExtraBundle\SensioFrameworkExtraBundle(),
            new WhiteOctober\PagerfantaBundle\WhiteOctoberPagerfantaBundle(),
            new CodeExplorerBundle\CodeExplorerBundle(),
            new AppBundle\AppBundle(),
            new Doctrine\Bundle\FixturesBundle\DoctrineFixturesBundle(), // used for initial population of non-SQLite databases in production envs
            new Symfony\Bundle\SwiftmailerBundle\SwiftmailerBundle(),
        ];

        // Some bundles are only used while developing the application or during
        // the unit and functional tests. Therefore, they are only registered
        // when the application runs in 'dev' or 'test' environments. This allows
        // to increase application performance in the production environment.
        if (in_array($this->getEnvironment(), ['dev', 'test'])) {
            $bundles[] = new Symfony\Bundle\DebugBundle\DebugBundle();
            $bundles[] = new Symfony\Bundle\WebProfilerBundle\WebProfilerBundle();
            $bundles[] = new Sensio\Bundle\DistributionBundle\SensioDistributionBundle();
            $bundles[] = new Sensio\Bundle\GeneratorBundle\SensioGeneratorBundle();

            if ('test' === $this->getEnvironment()) {
                // this bundle makes it easier to work with databases in PHPUnit
                // tests, so it's only loaded for the 'test' environment
                $bundles[] = new DAMA\DoctrineTestBundle\DAMADoctrineTestBundle();
            }
        }

        return $bundles;
    }

    public function getRootDir()
    {
        return __DIR__;
    }

    public function getCacheDir()
    {
        return dirname(__DIR__).'/var/cache/'.$this->getEnvironment();
    }

    public function getLogDir()
    {
        return dirname(__DIR__).'/var/logs';
    }

    public function registerContainerConfiguration(LoaderInterface $loader)
    {
        $loader->load(__DIR__.'/config/config_'.$this->getEnvironment().'.yml');
    }
}