<?php
  

  class classname
  

  {
  

  public $attribute;
  

  function __get($name)
  

  {
  

  echo "This is get function<br />";
  

  return $this->$name;
  

  }
  

  function __set($name,$value)
  

  {
  

  echo "This is set function<br />";
  

  $this->$name=$value;
  

  }
  

  }
  

  

  $a=new classname();
  

  //测试1
  

  $a->attribute="demo";
  

  echo $a->attribute;
  

  

  //测试2
  

  //$a->__set("attribute","demo");
  

  //echo $a->__get("attribute")."<br />";
  

  ?>
 

  demo
 

  This is set function
  

  This is get function
  

  demo