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"Что означает этот код на php?" Отправлено Крол, 12-Окт-20 17:59
Товарищи, объясните пожалуйста что делает этот код: ======================================================= Class XXX {     public static function create(         ?ResponseFactoryInterface $responseFactory = null,         ?ContainerInterface $container = null,         ?CallableResolverInterface $callableResolver = null,         ?RouteCollectorInterface $routeCollector = null,         ?RouteResolverInterface $routeResolver = null,         ?MiddlewareDispatcherInterface $middlewareDispatcher = null     ): App {         static::$responseFactory = $responseFactory ?? static::$responseFactory;         return new App(             self::determineResponseFactory(),             $container ?? static::$container,             $callableResolver ?? static::$callableResolver,             $routeCollector ?? static::$routeCollector,             $routeResolver ?? static::$routeResolver,             $middlewareDispatcher ?? static::$middlewareDispatcher         );     } } XXX::create();