O 语言层面/面向对象/设计模式
O 应用层面/业务设计层面/架构层面
O 项目层面/技术阶段/任务分解层面
<?php class base_class { function say_a() { echo "'a' said the " . __CLASS__ . "<br>"; } function say_b() { echo "'b' said the " . get_class($this) . "<br>"; } } class derived_class extends base_class { function say_a() { parent::say_a(); echo "'a' said the " . __CLASS__ . "<br>"; } function say_b() { parent::say_b(); echo "'b' - said the " . get_class($this) . "<br>"; } } $obj_b = new derived_class(); $obj_b->say_a(); echo "<br>"; $obj_b->say_b();
循序渐进问问题
1.类和对象的理解 动态语言和静态的根本区别 如何形象描述
2.对象的祖先链怎么看
3.具体的代码实现
4.面试题
感谢 详细的博客 http://blog.51yip.com/php/1165.html