UnderCurrent/app/Controller/HelloWorldController.php

<?php

namespace App\Controller;

use Ardent\Undercurrent\Attribute\Route;
use Ardent\Undercurrent\Http\GenericResponse;
use Ardent\Undercurrent\Http\ResponseInterface;
use Ardent\Undercurrent\Http\RouterConfig;
use Ardent\Undercurrent\Http\StatusEnum;

class HelloWorldController
{
    #[Route('/')]
    public function index(): ResponseInterface
    {
        return new GenericResponse('Index, <a href="/hello">Hello</a>');
    }

    #[Route('/error')]
    public function error(): ResponseInterface
    {
        return new GenericResponse('error', StatusEnum::NOT_FOUND);
    }

    #[Route('/hello')]
    public function hello(): ResponseInterface
    {
        return new GenericResponse('Hello World!');
    }

    #[Route('/routes')]
    public function routes(RouterConfig $config): ResponseInterface
    {
        $routes = implode('<br>', array_map(
            fn($route) => sprintf('%s - %s->%s', $route->getRoute()->path, $route->getController(), $route->getMethod()),
            $config->getRoutes()
        ));

        return new GenericResponse($routes);
    }

    #[Route('/world/{name}')]
    public function world(string $name): ResponseInterface
    {
        return new GenericResponse("Hello $name!");
    }
}