public function update_categories() { $id_article = $this->input->post('id_article'); if ($id_article) { $this->article_model->join_items_keys_to('category', $this->input->post('categories'), 'article', $id_article); $this->callback[] = array('fn' => 'ION.notification', 'args' => array('success', lang('ionize_message_article_saved'))); $this->response(); } }