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调用其他类的方法,该如何处理

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Release: 2016-06-13 10:14:43
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调用其他类的方法
假设一个php文件一个类,那要继承其他类,就必须先include这个php文件,但我看一些框架没有写include就能直接对其他类实例化对象,这是怎么做到的?
我只知道有个__autoload,还有其他的吗?都是怎么运作的?
还是隐藏了include?怎么隐藏的?

------解决方案--------------------
A类想要继承B类,不一定要包含到本文件啊。可能C文件中就已包含了B类和A类
------解决方案--------------------

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A类想要继承B类,不一定要包含到本文件啊。可能C文件中就已包含了B类和A类
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