TwigExtensionPass.php in Zircon Profile 8.0

Contains \Drupal\Core\DependencyInjection\Compiler\TwigExtensionPass.

Namespace

Drupal\Core\DependencyInjection\Compiler

File

core/lib/Drupal/Core/DependencyInjection/Compiler/TwigExtensionPass.php

<?php

/**
 * @file
 * Contains \Drupal\Core\DependencyInjection\Compiler\TwigExtensionPass.
 */
namespace Drupal\Core\DependencyInjection\Compiler;

use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
use Symfony\Component\DependencyInjection\ContainerBuilder;

/**
 * Adds the twig_extension_hash parameter to the container.
 *
 * twig_extension_hash is a hash of all extension mtimes for Twig template
 * invalidation.
 */
class TwigExtensionPass implements CompilerPassInterface {

  /**
   * {@inheritdoc}
   */
  public function process(ContainerBuilder $container) {
    $twig_extension_hash = '';
    foreach (array_keys($container
      ->findTaggedServiceIds('twig.extension')) as $service_id) {
      $class_name = $container
        ->getDefinition($service_id)
        ->getClass();
      $reflection = new \ReflectionClass($class_name);

      // We use the class names as hash in order to invalidate on new extensions
      // and mtime for every time we change an existing file.
      $twig_extension_hash .= $class_name . filemtime($reflection
        ->getFileName());
    }
    $container
      ->setParameter('twig_extension_hash', hash('crc32b', $twig_extension_hash));
  }

}

Classes

Name	Description
TwigExtensionPass	Adds the twig_extension_hash parameter to the container.