<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css" rel="stylesheet"
        integrity="sha384-GLhlTQ8iRABdZLl6O3oVMWSktQOp6b7In1Zl3/Jr59b6EGGoI1aFkw7cmDA6j6gD" crossorigin="anonymous">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.3.0/css/all.min.css"
        integrity="sha512-SzlrxWUlpfuzQ+pcUCosxcglQRNAq/DZjVsC0lE40xsADsfeQoEypE+enwcOiGjk/bSuGGKHEyjSoQ1zVisanQ=="
        crossorigin="anonymous" referrerpolicy="no-referrer" />
</head>
</html>
<?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(RequestInterface, array): PromiseInterface $default Handler used for normal responses
     * @param callable(RequestInterface, array): PromiseInterface $sync    Handler used for synchronous responses.
     *
     * @return callable(RequestInterface, array): 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(RequestInterface, array): PromiseInterface $default   Handler used for non-streaming responses
     * @param callable(RequestInterface, array): PromiseInterface $streaming Handler used for streaming responses
     *
     * @return callable(RequestInterface, array): 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);
        };
    }
}
