<?php
  class Punkt{
     private $x;
     private $y;
     public function __construct($ux, $uy){
       $this->x=$ux;
       $this->y=$uy;
     }
     public function kysiX(){
       return $this->x;
     }
  }
  $p=new Punkt(3, 5);
  echo $p->kysiX();
  echo $p->x;
?>

/*
3
Fatal error: Cannot access private property Punkt::$x in D:\xampp\htdocs\oma\0611\punkt2_php5.php on line 15
*/