<?php
 class Punkt{
   var $x;
   var $y;  
   function Punkt($uusX=0, $uusY=0){
     $this->x=$uusX;
     $this->y=$uusY;
   }
 }
 $p=new Punkt(3, 5);
 echo $p->x." ";
 
 $p2=new Punkt();
 echo $p2->x;
?>