request; $params = [ 'selected' => $this->selected ? $this->selected : $request->get(), 'cat1' => DeviceCatRepository::options(0), ]; $selected = isset($params['selected']['deviceCatLev1']) ? $params['selected']['deviceCatLev1'] : null; if ($selected) { $params['cat2'] = DeviceCatRepository::options($selected); } echo $this->render( 'device_cat_select', $params); } }