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📄 AggregateException.php(379 B)
📄 CancellationException.php(182 B)
📄 Coroutine.php(3.85 KB)
📄 EachPromise.php(7.11 KB)
📄 FulfilledPromise.php(1.92 KB)
📄 Promise.php(8.57 KB)
📄 PromiseInterface.php(2.76 KB)
📄 PromisorInterface.php(243 B)
📄 RejectedPromise.php(2.18 KB)
📄 RejectionException.php(1.19 KB)
📄 TaskQueue.php(1.88 KB)
📄 TaskQueueInterface.php(468 B)
📄 functions.php(11.77 KB)
📄 functions_include.php(167 B)

Editing: RejectedPromise.php

<?php
namespace GuzzleHttp\Promise;

/**
 * A promise that has been rejected.
 *
 * Thenning off of this promise will invoke the onRejected callback
 * immediately and ignore other callbacks.
 */
class RejectedPromise implements PromiseInterface
{
    private $reason;

public function __construct($reason)
    {
        if (method_exists($reason, 'then')) {
            throw new \InvalidArgumentException(
                'You cannot create a RejectedPromise with a promise.');
        }

$this->reason = $reason;
    }

public function then(
        callable $onFulfilled = null,
        callable $onRejected = null
    ) {
        // If there's no onRejected callback then just return self.
        if (!$onRejected) {
            return $this;
        }

$queue = queue();
        $reason = $this->reason;
        $p = new Promise([$queue, 'run']);
        $queue->add(static function () use ($p, $reason, $onRejected) {
            if ($p->getState() === self::PENDING) {
                try {
                    // Return a resolved promise if onRejected does not throw.
                    $p->resolve($onRejected($reason));
                } catch (\Throwable $e) {
                    // onRejected threw, so return a rejected promise.
                    $p->reject($e);
                } catch (\Exception $e) {
                    // onRejected threw, so return a rejected promise.
                    $p->reject($e);
                }
            }
        });

return $p;
    }

public function otherwise(callable $onRejected)
    {
        return $this->then(null, $onRejected);
    }

public function wait($unwrap = true, $defaultDelivery = null)
    {
        if ($unwrap) {
            throw exception_for($this->reason);
        }
    }

public function getState()
    {
        return self::REJECTED;
    }

public function resolve($value)
    {
        throw new \LogicException("Cannot resolve a rejected promise");
    }

public function reject($reason)
    {
        if ($reason !== $this->reason) {
            throw new \LogicException("Cannot reject a rejected promise");
        }
    }

public function cancel()
    {
        // pass
    }
}

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Editing: RejectedPromise.php

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