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   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\HttpKernel\DependencyInjection;
  13  
  14  use Symfony\Component\DependencyInjection\ContainerBuilder;
  15  use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
  16  use Symfony\Component\HttpKernel\Kernel;
  17  
  18  /**
  19   * Sets the classes to compile in the cache for the container.
  20   *
  21   * @author Fabien Potencier <fabien@symfony.com>
  22   */
  23  class AddClassesToCachePass implements CompilerPassInterface
  24  {
  25      private $kernel;
  26  
  27      public function __construct(Kernel $kernel)
  28      {
  29          $this->kernel = $kernel;
  30      }
  31  
  32      /**
  33       * {@inheritdoc}
  34       */
  35      public function process(ContainerBuilder $container)
  36      {
  37          $classes = array();
  38          foreach ($container->getExtensions() as $extension) {
  39              if ($extension instanceof Extension) {
  40                  $classes = array_merge($classes, $extension->getClassesToCompile());
  41              }
  42          }
  43  
  44          $this->kernel->setClassCache(array_unique($container->getParameterBag()->resolveValue($classes)));
  45      }
  46  }