vendor/guzzlehttp/guzzle/src/Middleware.php

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<?php

namespace GuzzleHttp;

use GuzzleHttp\Cookie\CookieJarInterface;
use GuzzleHttp\Exception\RequestException;
use GuzzleHttp\Promise as P;
use GuzzleHttp\Promise\PromiseInterface;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Log\LoggerInterface;

/**
 * Functions used to create and wrap handlers with handler middleware.
 */
final class Middleware
{
    /**
     * Middleware that adds cookies to requests.
     *
     * The options array must be set to a CookieJarInterface in order to use
     * cookies. This is typically handled for you by a client.
     *
     * @return callable Returns a function that accepts the next handler.
     */
    public static function cookies(): callable
    {
        return static function (callable $handler): callable {
            return static function ($request, array $options) use ($handler) {
                if (empty($options['cookies'])) {
                    return $handler($request, $options);
                } elseif (!($options['cookies'] instanceof CookieJarInterface)) {
                    throw new \InvalidArgumentException('cookies must be an instance of GuzzleHttp\Cookie\CookieJarInterface');
                }
                $cookieJar = $options['cookies'];
                $request = $cookieJar->withCookieHeader($request);
                return $handler($request, $options)
                    ->then(
                        static function (ResponseInterface $response) use ($cookieJar, $request): ResponseInterface {
                            $cookieJar->extractCookies($request, $response);
                            return $response;
                        }
                    );
            };
        };
    }

    /**
     * Middleware that throws exceptions for 4xx or 5xx responses when the
     * "http_errors" request option is set to true.
     *
     * @param BodySummarizerInterface|null $bodySummarizer The body summarizer to use in exception messages.
     *
     * @return callable(callable): callable Returns a function that accepts the next handler.
     */
    public static function httpErrors(BodySummarizerInterface $bodySummarizer = null): callable
    {
        return static function (callable $handler) use ($bodySummarizer): callable {
            return static function ($request, array $options) use ($handler, $bodySummarizer) {
                if (empty($options['http_errors'])) {