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php函数里边出现的奇怪参数是什么

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2016-06-13 12:50:44777browse

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?


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类型声明
示例中需要传入一个 ShopProduct 类或其派生类的实例
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