/** * Optgroups * * @see $this->get() */ public function optgroups($options = []) { $data = $this->get($options); $options_map = !empty($this->options_map) ? $this->options_map : [$this->column_prefix . 'name' => 'name']; if (!empty($this->optgroups_map)) { $optgroups_map = $this->optgroups_map; $optgroups_map['column'] = $optgroups_map['column']; return object_data_common::optgroups($data, $optgroups_map, $options_map); } else { return object_data_common::options($data, $options_map); } }