2.2.5重写静态变量 

 1 <?php
 2 /**
 3 * 2.2.5重写静态变量
 4 * @authors haidong (admin@zhe700.net)
 5 * @date 2015-03-23 14:34:35
 6 * @version $Id$
 7 */
 8 
 9 class myObject{
10 
11 public static $myStaticVar = 0;
12 function myMethod(){
13 self::$myStaticVar += 2;
14 echo self::$myStaticVar . "<br/>";
15 }
16 }
17 class myExtendObject extends myObject{
18 public static $myStaticVar = 0;
19 function myExtendMethod(){
20 echo parent::$myStaticVar . "<br/>";
21 echo self::$myStaticVar . "<br/>";
22 }
23 }
24 $instance1 = new myObject();
25 $instance1->myMethod();
26 $instance2 = new myObject();
27 $instance2->myMethod();
28 $instance3 = new myExtendObject();
29 $instance3->myExtendMethod();

posted @ 2015-03-23 14:44  我的代码  阅读(148)  评论(0)  编辑  收藏  举报