PHP EXTENDS 小记

<?php
/*
 * Created on 2009-10-23
 * 分子如梦o(╯□╰)o
 * To change the template for this generated file go to
 * Window - Preferences - PHPeclipse - PHP - Code Templates
 */
class people
{
    private  $name;
    public  $age;
    function __set($po,$value)
    {
        $this->$po=$value;
    }
    function __get($peoson_name)
    {
        return $this->$peoson_name;
    }
    private function vod()
    {
     return "你好：".$this->name.";";
    }
    function people_()
    {
        return $this->vod()."你出生日是：".$this->age;
    }
    function __destruct()
    {
        echo "<br>========";
    }
}
class person extends people
{
    function people_()
    {
        return people::people_();
    }
    function person_property()
    {
        echo $this->people_()."<br>恭喜您今天过生日---------<br>";
    }
}
$pop = new person();
$pop->name="小明";
$pop->age="1985-10-23";
echo $pop->person_property();
?>