<?php
  

  class A
  

  {
  

  var $t;
  

  function a()
  

  {
  

  $this->test();
  

  }
  

  function test()
  

  {
  

  $this->t =5;
  

  }
  

  }
  

  class B extends A
  

  {
  

  function b()
  

  {
  

  echo 234;
  

  //$this->a();
  

  echo $this->t;
  

  }
  

  }
  

  new B();
  

  ?>