AddExpressionLanguageProvidersPass.php

<?php


/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\Routing\DependencyInjection;

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

/**
 * Registers the expression language providers.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class AddExpressionLanguageProvidersPass implements CompilerPassInterface {
    public function process(ContainerBuilder $container) : void {
        if (!$container->has('router.default')) {
            return;
        }
        $definition = $container->findDefinition('router.default');
        foreach ($container->findTaggedServiceIds('routing.expression_language_provider', true) as $id => $attributes) {
            $definition->addMethodCall('addExpressionLanguageProvider', [
                new Reference($id),
            ]);
        }
    }

}