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后台-php 用栈 做符号匹配 错误 求分析

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Release： 2016-06-02 11:31:13
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后台php算法数据结构

我想用两个数组实现表达式的四则运算 但是不知道为什么 代码有bug 我分析不出原因
求大神指教

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后台 php 算法 数据结构
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