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/vendor/symfony/dependency-injection/Loader/ -> PhpFileLoader.php (source)

   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\Loader;
  13  
  14  use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
  15  
  16  /**
  17   * PhpFileLoader loads service definitions from a PHP file.
  18   *
  19   * The PHP file is required and the $container variable can be
  20   * used within the file to change the container.
  21   *
  22   * @author Fabien Potencier <fabien@symfony.com>
  23   */
  24  class PhpFileLoader extends FileLoader
  25  {
  26      /**
  27       * {@inheritdoc}
  28       */
  29      public function load($resource, $type = null)
  30      {
  31          // the container and loader variables are exposed to the included file below
  32          $container = $this->container;
  33          $loader = $this;
  34  
  35          $path = $this->locator->locate($resource);
  36          $this->setCurrentDir(\dirname($path));
  37          $this->container->fileExists($path);
  38  
  39          // the closure forbids access to the private scope in the included file
  40          $load = \Closure::bind(function ($path) use ($container, $loader, $resource, $type) {
  41              return include $path;
  42          }, $this, ProtectedPhpFileLoader::class);
  43  
  44          $callback = $load($path);
  45  
  46          if ($callback instanceof \Closure) {
  47              $callback(new ContainerConfigurator($this->container, $this, $this->instanceof, $path, $resource), $this->container, $this);
  48          }
  49      }
  50  
  51      /**
  52       * {@inheritdoc}
  53       */
  54      public function supports($resource, $type = null)
  55      {
  56          if (!\is_string($resource)) {
  57              return false;
  58          }
  59  
  60          if (null === $type && 'php' === pathinfo($resource, \PATHINFO_EXTENSION)) {
  61              return true;
  62          }
  63  
  64          return 'php' === $type;
  65      }
  66  }
  67  
  68  /**
  69   * @internal
  70   */
  71  final class ProtectedPhpFileLoader extends PhpFileLoader
  72  {
  73  }


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