$route = $_GET['route'] ?? 'home';

$route = explode('/', $route);
$page = end($route);

switch ($page) {

    case 'login':
        require 'login.php';
        break;

    case 'register':
        require 'register.php';
        break;

    case 'forget-password':
        require 'forget_password.php';
        break;

    default:
        echo "404 Not Found";
}