[[Slim4めも]]

 $ php composer.phar require slim/twig-view

app/settings.php
 <?php
 declare(strict_types=1);
 
 use DI\ContainerBuilder;
 use Monolog\Logger;
 
 return function (ContainerBuilder $containerBuilder) {
     // Global Settings Object
     $containerBuilder->addDefinitions([
         'settings' => [
             'displayErrorDetails' => true, // Should be set to false in production
             'logger' => [
                 'name' => 'slim-app',
                 'path' => isset($_ENV['docker']) ? 'php://stdout' : __DIR__ . '/../logs/app.log',
                 'level' => Logger::DEBUG,
             ],
             'twig' => [
                 'path' => __DIR__ . '/../src/Resource/template',
                 'cache' => __DIR__ . '/../var/cache/twig'
                 'cache' => __DIR__ . '/../var/cache/twig',
                 'auto_reload' => true,
             ],
         ],
     ]);
 };

app/dependencies.php
 use Slim\Views\Twig;
 use Twig\Loader\FilesystemLoader;

     $containerBuilder->addDefinitions([
         Twig::class => function (ContainerInterface $c) {
             $settings = $c->get('settings');
             $twigSettings = $settings['twig'];
             $settings = $c->get('settings')['twig'];
 
             $loader = new FilesystemLoader(
                 $twigSettings['path'],
                 $settings ['path'],
             );
             $options = [
                 'cache' => $twigSettings['cache'],
                 'auto_reload' => true, // 本番環境ではfalse推奨
                 'cache' => $settings['cache'],
                 'auto_reload' => $settings['auto_reload'],
             ];
 
             $view = new Twig(
                 $loader,
                 $options
             );
 
             return $view;
         },
     ]);

src/Application/Actions/Action.php
 use Slim\Views\Twig;

     /**
      * @var Twig
      */
     protected $view;
 
     /**
      * @param LoggerInterface $logger
      * @param Twig $view
      */
     public function __construct(
         LoggerInterface $logger,
         Twig $twig
     ) {
         $this->logger = $logger;
         $this->view = $twig;
     }

src/Application/Actions/User/UserAction.php
 use Slim\Views\Twig;

     /**
      * @param LoggerInterface $logger
      * @param Twig $view
      * @param UserRepository  $userRepository
      */
     public function __construct(LoggerInterface $logger, Twig $view, UserRepository $userRepository)
     {
         parent::__construct($logger, $view);
         $this->userRepository = $userRepository;
     }

src/Application/Actions/User/ListUsersAction.php
 <?php
 declare(strict_types=1);
 
 namespace App\Application\Actions\User;
 
 use Psr\Http\Message\ResponseInterface as Response;
 
 class ListUsersAction extends UserAction
 {
     /**
      * {@inheritdoc}
      */
     protected function action(): Response
     {
         $users = $this->userRepository->findAll();
 
         $this->logger->info("Users list was viewed.");
 
         return $this->view->render($this->response,
             'list_users.twig',
             [
                 'users' => $users,
             ]
         );
     }
 }

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