TwigExtensionPass.php

Same filename in other branches
  1. 9 core/lib/Drupal/Core/DependencyInjection/Compiler/TwigExtensionPass.php
  2. 8.9.x core/lib/Drupal/Core/DependencyInjection/Compiler/TwigExtensionPass.php
  3. 11.x core/lib/Drupal/Core/DependencyInjection/Compiler/TwigExtensionPass.php

Namespace

Drupal\Core\DependencyInjection\Compiler

File

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

View source
<?php

namespace Drupal\Core\DependencyInjection\Compiler;

use Drupal\Component\Utility\Crypt;
use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
use Symfony\Component\DependencyInjection\ContainerBuilder;

/**
 * Adds the twig_extension_hash parameter to the container.
 *
 * Parameter twig_extension_hash is a crc32 hash of all extensions 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 crc32 for every time we change an existing file.
            $twig_extension_hash .= $class_name . hash_file('crc32', $reflection->getFileName());
        }
        $container->setParameter('twig_extension_hash', Crypt::hashBase64($twig_extension_hash));
    }

}

Classes

Title Deprecated Summary
TwigExtensionPass Adds the twig_extension_hash parameter to the container.

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