Laravel Http macro that records the raw HTTP request and response to a file.

CustomMacroServiceProvider.php

<?php

declare(strict_types=1);

namespace App\Providers;

use GuzzleHttp\Middleware;
use GuzzleHttp\Promise\PromiseInterface;
use Illuminate\Http\Client\PendingRequest;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\ServiceProvider;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;

class CustomMacroServiceProvider extends ServiceProvider
{
    public function boot(): void
    {
        Http::macro('recordToFile', function (string $path, bool $append = true): PendingRequest {
            $middleware = Middleware::tap(after: function (
                RequestInterface $request,
                array $options,
                PromiseInterface $promise
            ) use ($path, $append) {
                $fh = fopen($path, $append ? 'ab+' : 'wb');
                $record = fn (string $line, bool $newline = true) => fwrite($fh, $line . ($newline ? PHP_EOL : ''));
                $record(\sprintf('%s %s HTTP/%s', $request->getMethod(), $request->getRequestTarget(), $request->getProtocolVersion()));
                foreach ($request->getHeaders() as $name => $values) {
                    $record(\sprintf('%s: %s', $name, implode(', ', $values)));
                }
                $record('');
                $requestStream = $request->getBody();
                $requestStream->rewind();
                while ($requestStream->eof() !== true) {
                    $record($requestStream->read(1024), false);
                }
                $record("\n");
                /** @var ResponseInterface $response */
                $response = $promise->wait();
                $record(\sprintf('HTTP/%s %d %s', $response->getProtocolVersion(), $response->getStatusCode(), $response->getReasonPhrase()));
                foreach ($response->getHeaders() as $name => $values) {
                    $record(\sprintf('%s: %s', $name, implode(', ', $values)));
                }
                $record('');
                $responseStream = $response->getBody();
                $responseStream->rewind();
                while ($responseStream->eof() !== true) {
                    $record($responseStream->read(1024), false);
                }
                $record("\n");
                fclose($fh);
                $responseStream->rewind();
                $responseStream->rewind();
            });

            return $this->withMiddleware($middleware);
        });
    }
}