[NFR] Default error handler about cphalcon HOT 5 CLOSED

$di->set('dispatcher', function(){

    //Create/Get an EventManager
    $eventsManager = new Phalcon\Events\Manager();

    //Attach a listener
    $eventsManager->attach("dispatch", function($event, $dispatcher, $exception) {

        //The controller exists but the action not
        if ($event->getType() == 'beforeNotFoundAction') {
            $dispatcher->forward(array(
                'controller' => 'index',
                'action' => 'show404'
            ));
            return false;
        }

        //Alternative way, controller or action doesn't exists
        if ($event->getType() == 'beforeException') {
            switch ($exception->getCode()){
                case Phalcon\Dispatcher::EXCEPTION_HANDLER_NOT_FOUND:
                case Phalcon\Dispatcher::EXCEPTION_ACTION_NOT_FOUND:
                    $dispatcher->forward(array(
                        'controller' => 'index',
                        'action' => 'show404'
                    ));
                    return false;               
            }
        }
    });

    $dispatcher = new Phalcon\Mvc\Dispatcher();

    $dispatcher->setEventsManager($eventsManager);

    return $dispatcher;
});