Edit File: Is.php
<?php namespace GuzzleHttp\Promise; final class Is { /** * Returns true if a promise is pending. * * @return bool */ public static function pending(PromiseInterface $promise) { return $promise->getState() === PromiseInterface::PENDING; } /** * Returns true if a promise is fulfilled or rejected. * * @return bool */ public static function settled(PromiseInterface $promise) { return $promise->getState() !== PromiseInterface::PENDING; } /** * Returns true if a promise is fulfilled. * * @return bool */ public static function fulfilled(PromiseInterface $promise) { return $promise->getState() === PromiseInterface::FULFILLED; } /** * Returns true if a promise is rejected. * * @return bool */ public static function rejected(PromiseInterface $promise) { return $promise->getState() === PromiseInterface::REJECTED; } }