Select::__construct PHP Method

        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);
 }