用PHPExcel读取文件,如何判断某个字段的内容有没有重复

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Release: 2016-06-13 12:39:20
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用PHPExcel读取文件,怎么判断某个字段的内容有没有重复
用PHPExcel读取文件,怎么判断某个字段的内容有没有重复?读取完之后,我想显示重复的内容,没有重复的不显示。

请问怎么判断读取的内容有没有重复

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