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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\DependencyInjection\Compiler;
  13  
  14  use Symfony\Component\DependencyInjection\ContainerBuilder;
  15  
  16  /**
  17   * A pass to automatically process extensions if they implement
  18   * CompilerPassInterface.
  19   *
  20   * @author Wouter J <wouter@wouterj.nl>
  21   */
  22  class ExtensionCompilerPass implements CompilerPassInterface
  23  {
  24      /**
  25       * {@inheritdoc}
  26       */
  27      public function process(ContainerBuilder $container)
  28      {
  29          foreach ($container->getExtensions() as $extension) {
  30              if (!$extension instanceof CompilerPassInterface) {
  31                  continue;
  32              }
  33  
  34              $extension->process($container);
  35          }
  36      }
  37  }