multi_select_box
Github

	function multi_select_box() {
		return _class('html')->multi_select_box('input_name', ['k1' => 'key1', 'k2' => 'key2']);
	}
	function multi_select_box($name, $values = [], $selected = '', $show_text = false, $type = 2, $add_str = '', $translate = 0, $level = 0, $disabled = false) {
		return $this->multi_select($name, $values, $selected, $show_text, $type, $add_str, $translate, $level, $disabled);
	}