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.子内内部调父类属性或方法.解决方案

WBOY
WBOYOriginal
2016-06-13 12:30:30879browse

...子内内部调父类属性或方法...
class A{
     public $m=20;
     function test(){
             echo 1;
     }

}

class B extends A{

...子内内部调父类属性或方法...

}

B继承A,在B类部可以A::test(),parent::test()或者$this->test()这样三种形式调父类的方法,
不知道子类内部调父类属性的方式有几种,难道只有$this->m一种?

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