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php读取xml数据后出问题

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Release： 2016-06-02 11:28:22
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从xml读取的数据b=array(21,22,23)。用in_array(a,b)读取，为什么只能读第一个数。如果a=21就是true，a=22或者23就是false。这是编码问题吗？

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