/home/kueuepay/public_html/vendor/guzzlehttp/promises/src/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.
 *
 * @final
 */
class FulfilledPromise implements PromiseInterface
{
    private $value;

    /**
     * @param mixed $value
     */
    public function __construct($value)
    {
        if (is_object($value) && method_exists($value, 'then')) {
            throw new \InvalidArgumentException(
                'You cannot create a FulfilledPromise with a promise.'
            );
        }

        $this->value = $value;
    }

    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;
    }

    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($value): void
    {
        if ($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
    }
}
Path: home/kueuepay/public_html/vendor/guzzlehttp/promises/src
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Kueue Pay Payment Gateway Solutions Developer API Documentation

Welcome to the Kueue Pay Payment Gateway Solutions Developer API Documentation. This comprehensive guide will empower you to seamlessly integrate our advanced payment gateway into your website, enhancing your customers’ payment experience and enabling efficient transaction processing. The Kueue Pay Developer API is designed for developers and entrepreneurs who seek simplicity, security, and reliability in their payment processing solutions.

1. Introduction

The Kueue Pay Developer API allows you to seamlessly integrate Kueue Pay’s Payment Gateway Solutions into your website, enabling secure and efficient debit and credit card transactions. With our API, you can initiate payments, check payment statuses, and even process refunds, all while ensuring a smooth and streamlined payment experience for your customers.

Prerequisites