49. ルーティング $app->group(['prefix' => 'project'], function () use ($app) { $app->get('/', ProjectController::class . '@all'); $app->get('/{project}', ProjectController::class . '@get'); $app->put('/', ProjectController::class . '@create'); $app->post('/{project}', ProjectController::class . '@update'); $app->delete('/{project}', ProjectController::class . '@delete'); }); 50. if (!$request->headers->