Свойства URL

# http://know-online.com/posts/id/3?status=1

Router::url();                   // /posts/id/3
Router::url(null, true);         // http://know-online.com/posts/id/3
$this->request->here;            // /posts/id/3
$this->request->url;             // /posts/id/3
$this->request->here();          // /posts/id/3?status=1

# $_GET и $_POST
$this->request->query('status'); // 1 (аналог $_GET['status'])
$this->request->data['post'];    // аналог $_POST['post']

# controller и action
$this->request->controller;      // posts
$this->request->action;          // id

Метод Router::url() работает в любом файле.