React\Promise\RejectedPromise::always PHP Метод

    public function always(callable $onFulfilledOrRejected)
    {
        return $this->then(null, function ($reason) use($onFulfilledOrRejected) {
            return resolve($onFulfilledOrRejected())->then(function () use($reason) {
                return new RejectedPromise($reason);
            });
        });
    }