2.2.5重写静态变量

<?php
/**
* 2.2.5重写静态变量
* @authors haidong (admin@zhe700.net)
* @date 2015-03-23 14:34:35
* @version $Id$
*/

class myObject{

public static $myStaticVar = 0;
function myMethod(){
self::$myStaticVar += 2;
echo self::$myStaticVar . "<br/>";
}
}
class myExtendObject extends myObject{
public static $myStaticVar = 0;
function myExtendMethod(){
echo parent::$myStaticVar . "<br/>";
echo self::$myStaticVar . "<br/>";
}
}
$instance1 = new myObject();
$instance1->myMethod();
$instance2 = new myObject();
$instance2->myMethod();
$instance3 = new myExtendObject();
$instance3->myExtendMethod();