class Pies { 
   public $Imie; 
   private function pobierzImie() { 
      return $this->Imie; 
   } 
} 
class Pudle extends Pies { 
   public function szczekanie() { 
      print "'Hau', zaszczeka" . $this->pobierzImie(); 
   } 
} 
$poppy = new Pudle; 
$poppy->Imie = "Poppy"; 
$poppy->szczekanie();
