function radio() {
        $this->layout = 'radio';
        $this->set('radio_back',$this->params['pass'][0]);        

IndexPortadaController::radio() - APP/controllers/index_portada_controller.php, line 44
Object::dispatchMethod() - CORE/cake/libs/object.php, line 114
Dispatcher::_invoke() - CORE/cake/dispatcher.php, line 256
Dispatcher::dispatch() - CORE/cake/dispatcher.php, line 230
[main] - APP/webroot/index.php, line 90