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php函数里边出现的奇怪参数是什么

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Release: 2016-06-13 11:18:25
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php函数里面出现的奇怪参数是什么?
php函数里面出现的奇怪参数是什么?


------解决方案--------------------
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示例中需要传入一个 ShopProduct 类或其派生类的实例
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