AdUnionId::__construct PHP Метод

        public function __construct($id = null, $AdUnionIdType = null)
        {
            $this->id = $id;
            $this->AdUnionIdType = $AdUnionIdType;
        }

 public function __construct($id = null, $AdUnionIdType = null)
 {
     parent::__construct();
     $this->id = $id;
     $this->AdUnionIdType = $AdUnionIdType;
 }