1<?php
2
3class Point {
4  var $x;
5  var $y;
6
7  function Point($x, $y) {
8    $this->x = $x;
9    $this->y = $y;
10  }
11
12  function _clone() {
13    return new Point($this->x, $this->y);
14  }
15}
16
17?>