function TwigExtensionPass::process

Overrides CompilerPassInterface::process

File

core/lib/Drupal/Core/DependencyInjection/Compiler/TwigExtensionPass.php, line 20

Class

TwigExtensionPass

Adds the twig_extension_hash parameter to the container.

Namespace

Drupal\Core\DependencyInjection\Compiler

Code

public function process(ContainerBuilder $container) : void {
    $twig_extension_hash = '';
    foreach (array_keys($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));
}