/home/kueuepay/public_html/vendor/guzzlehttp/guzzle/src/Handler/Proxy.php
<?php

namespace GuzzleHttp\Handler;

use GuzzleHttp\Promise\PromiseInterface;
use GuzzleHttp\RequestOptions;
use Psr\Http\Message\RequestInterface;

/**
 * Provides basic proxies for handlers.
 *
 * @final
 */
class Proxy
{
    /**
     * Sends synchronous requests to a specific handler while sending all other
     * requests to another handler.
     *
     * @param callable(\Psr\Http\Message\RequestInterface, array): \GuzzleHttp\Promise\PromiseInterface $default Handler used for normal responses
     * @param callable(\Psr\Http\Message\RequestInterface, array): \GuzzleHttp\Promise\PromiseInterface $sync    Handler used for synchronous responses.
     *
     * @return callable(\Psr\Http\Message\RequestInterface, array): \GuzzleHttp\Promise\PromiseInterface Returns the composed handler.
     */
    public static function wrapSync(callable $default, callable $sync): callable
    {
        return static function (RequestInterface $request, array $options) use ($default, $sync): PromiseInterface {
            return empty($options[RequestOptions::SYNCHRONOUS]) ? $default($request, $options) : $sync($request, $options);
        };
    }

    /**
     * Sends streaming requests to a streaming compatible handler while sending
     * all other requests to a default handler.
     *
     * This, for example, could be useful for taking advantage of the
     * performance benefits of curl while still supporting true streaming
     * through the StreamHandler.
     *
     * @param callable(\Psr\Http\Message\RequestInterface, array): \GuzzleHttp\Promise\PromiseInterface $default   Handler used for non-streaming responses
     * @param callable(\Psr\Http\Message\RequestInterface, array): \GuzzleHttp\Promise\PromiseInterface $streaming Handler used for streaming responses
     *
     * @return callable(\Psr\Http\Message\RequestInterface, array): \GuzzleHttp\Promise\PromiseInterface Returns the composed handler.
     */
    public static function wrapStreaming(callable $default, callable $streaming): callable
    {
        return static function (RequestInterface $request, array $options) use ($default, $streaming): PromiseInterface {
            return empty($options['stream']) ? $default($request, $options) : $streaming($request, $options);
        };
    }
}
Best Practice

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.