/home/kueuepay/public_html/vendor/guzzlehttp/promises/src/Is.php
<?php

declare(strict_types=1);

namespace GuzzleHttp\Promise;

final class Is
{
    /**
     * Returns true if a promise is pending.
     */
    public static function pending(PromiseInterface $promise): bool
    {
        return $promise->getState() === PromiseInterface::PENDING;
    }

    /**
     * Returns true if a promise is fulfilled or rejected.
     */
    public static function settled(PromiseInterface $promise): bool
    {
        return $promise->getState() !== PromiseInterface::PENDING;
    }

    /**
     * Returns true if a promise is fulfilled.
     */
    public static function fulfilled(PromiseInterface $promise): bool
    {
        return $promise->getState() === PromiseInterface::FULFILLED;
    }

    /**
     * Returns true if a promise is rejected.
     */
    public static function rejected(PromiseInterface $promise): bool
    {
        return $promise->getState() === PromiseInterface::REJECTED;
    }
}
Path: home/kueuepay/public_html/vendor/guzzlehttp/promises/src
Best Practice
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Best Practices

To ensure a smooth integration process and optimal performance, follow these best practices:

  1. Use secure HTTPS connections for all API requests.
  2. Implement robust error handling to handle potential issues gracefully.
  3. Regularly update your integration to stay current with any API changes or enhancements.
Error Handling Examples