Slim is a PHP micro framework that helps you quickly write simple yet powerful web applications and APIs. <?php use Psr\Http\Message\ResponseInterface as Response; use Psr\Http\Message\ServerRequestInterface as Request; use Slim\Factory\AppFactory; require __DIR__ . '/../vendor/autoload.php'; $app = AppFactory::create(); $app->get('/hello/{name}', function (Request $request, Response $response, ar