public function __construct($selectStatement = null)
{
$this->selectStatement = $selectStatement;
}
function __construct($parent, $id, $args = array()) { $this->special_args('label-class', $args); $this->label_class = trim('checkbox ' . $this->label_class); $this->has_multiple_values = true; parent::__construct($parent, $id, $args); }