'修正issue中提出的问题'

Author: xianyunyh

PHP/PHP手册笔记/6.面向对象(OOP).md

@@ -157,7 +157,7 @@ class B extends A{
   public static $s = 's';
   const PI = 111;
   public function test(){
-    echo parent::age;// 10
+    echo $this->age;// 10
 
   }