JezK
Edit File: FulfilledPromise.php
<?php declare(strict_types=1); namespace GuzzleHttp\Promise; /** * A promise that has been fulfilled. * * Thenning off of this promise will invoke the onFulfilled callback * immediately and ignore other callbacks. * * @template TValue = mixed * @template TReason = never * * @implements PromiseInterface<TValue, TReason> * * @final */ class FulfilledPromise implements PromiseInterface { /** @var TValue */ private $value; /** * @param TValue $value */ public function __construct($value) { if (is_object($value) && method_exists($value, 'then')) { throw new \InvalidArgumentException( 'You cannot create a FulfilledPromise with a promise.' ); } $this->value = $value; } /** * @template TFulfilledValue = never * @template TFulfilledReason = never * @template TRejectedValue = never * @template TRejectedReason = never * * @param (callable(TValue): (TFulfilledValue|PromiseInterface<TFulfilledValue, TFulfilledReason>))|null $onFulfilled Invoked when the promise fulfills. * @param (callable(TReason): (TRejectedValue|PromiseInterface<TRejectedValue, TRejectedReason>))|null $onRejected Invoked when the promise is rejected. * * @return ($onFulfilled is null ? self<TValue, TReason> : PromiseInterface<TFulfilledValue, TFulfilledReason|\Throwable>) */ public function then( ?callable $onFulfilled = null, ?callable $onRejected = null ): PromiseInterface { // Return itself if there is no onFulfilled function. if (!$onFulfilled) { return $this; } $queue = Utils::queue(); $p = new Promise([$queue, 'run']); $value = $this->value; $queue->add(static function () use ($p, $value, $onFulfilled): void { if (Is::pending($p)) { try { $p->resolve($onFulfilled($value)); } catch (\Throwable $e) { $p->reject($e); } } }); return $p; } /** * @param callable(TReason): mixed $onRejected Invoked when the promise is rejected. * * @return self<TValue, TReason> */ public function otherwise(callable $onRejected): PromiseInterface { return $this->then(null, $onRejected); } public function wait(bool $unwrap = true) { return $unwrap ? $this->value : null; } public function getState(): string { return self::FULFILLED; } public function resolve($value = null): void { if ($value !== $this->value) { throw new \LogicException('Cannot resolve a fulfilled promise'); } } public function reject($reason): void { throw new \LogicException('Cannot reject a fulfilled promise'); } public function cancel(): void { // pass } }