class View
{
    public static function render(string $layout, string $view, array $data = [])
    {
        extract($data);

        ob_start();
        require __DIR__ . '/../views/' . $view . '.php';
        $content = ob_get_clean();

        require __DIR__ . '/../views/layouts/' . $layout . '.php';
    }
}
class Controller
{
    protected function view(string $view, array $data = [], string $layout = 'main')
    {
        View::render($layout, $view, $data);
    }

    protected function model($model)
    {
        require_once __DIR__ . '/../models/' . $model . '.php';
        return new $model();
    }
}
class DashboardController extends Controller
{
    public function __construct()
    {
        if (!isset($_SESSION['user'])) {
            header("Location: /auth/login");
            exit;
        }
    }

    public function index()
    {
        $data = [
            'title' => 'Dashboard',
            'pageTitle' => 'Dashboard'
        ];

        $this->view('dashboard/index', $data);
    }
}
Class DashboardController not found in file.