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"; } function say_b() { echo "'b' - said the " . get_class($this) . ""; } } class derived_class extends base_class{ function say_a() { parent::say_a(); echo "'a' - said the " . __CLASS__ . ""; } function say_b() { parent::say_b(); echo "'b' - said the " . get_class($this) . ""; } }$obj_b = new derived_class();$obj_b->say_a(); echo "";$obj_b->say_b();?> 执行结果：
'a' - said the base_class'a' - said the derived_class'b' - said the derived_class'b' - said the derived_class
tips:
1.__CLASS__获取的是原汁原味的类名
2.parent()继承父类的代码
本文转自TBHacker博客园博客，原文链接：http://www.cnblogs.com/jiqing9006/p/4096741.html，如需转载请自行联系原作者