value = $value; } public function then(callable $onFulfilled = null, callable $onRejected = null) : \YoastSEO_Vendor\GuzzleHttp\Promise\PromiseInterface { // Return itself if there is no onFulfilled function. if (!$onFulfilled) { return $this; } $queue = \YoastSEO_Vendor\GuzzleHttp\Promise\Utils::queue(); $p = new \YoastSEO_Vendor\GuzzleHttp\Promise\Promise([$queue, 'run']); $value = $this->value; $queue->add(static function () use($p, $value, $onFulfilled) : void { if (\YoastSEO_Vendor\GuzzleHttp\Promise\Is::pending($p)) { try { $p->resolve($onFulfilled($value)); } catch (\Throwable $e) { $p->reject($e); } } }); return $p; } public function otherwise(callable $onRejected) : \YoastSEO_Vendor\GuzzleHttp\Promise\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) : 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 } }