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php面向对象的基础：OOP的恒量

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Release： 2016-06-13 11:58:41
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php面向对象的基础：OOP的常量

详细请点击：http://www.verydemo.com/demo_c116_i100532.html

常量（constant）

　　用来表示不会改变的值。对于从该类实例化的任何对象来说，常量值在这些对象的整个生命周期中都保持不变。

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静态类成员

<span>               = 0                         self::++;                        self::        Computer:: Computer::  Computer::getRun(); </span>
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Instanceof关键字
　　

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<span>      =   (       '我是一个类的实例' }</span>
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Related labels：
instanceof self
source：php.cn
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