public function execute() { $id = waRequest::get('id', 0, waRequest::TYPE_INT); $collapsed = waRequest::get('collapsed', 0, waRequest::TYPE_INT); if ($collapsed) { shopCategories::setCollapsed($id); return; } shopCategories::setExpanded($id); if (waRequest::get('tree')) { $categories = new shopCategories($id); $this->view->assign('categories', $categories->getList()); } }