Processing configuration files

Okay, so we defined the configuration files based on our needs, but how are they actually accessed? Open app/AppKernel.php and scroll down to the following lines:

// app/AppKernel.php
// ...
class AppKernel extends Kernel
{
  public function registerBundles()
  {
    //...
    if (in_array($this->getEnvironment(), array('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();
    }
  //...
  }

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

As you can see, based on the specific environments (&apos...