php 读取一个csv数据 再查看另一个csv中是否存在此商品编号，不存在插入 2个csv中列名不一样 应该怎么办
php 读取一个csv数据 再查看另一个csv中是否存在此商品编号，不存在插入 2个csv中列名不一样 应该怎么处理？
php 读取一个csv数据 再查看另一个csv中是否存在此商品编号，不存在就插入 2个csv中列名不一样 应该怎么处理？
小弟初学。请大家给个实例代码？谢谢！！
------解决方案--------------------
先导入数据库，在数据库里操作完成后，在导出CSV就行。
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