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图片上传有关问题

WBOY
Release： 2016-06-13 13:41:42
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图片上传问题
请问我用PHP写的图片上传代码，之后出现了一个问题；如果说客户端更改图片那么文件夹原有图片将多余请问如何在添加更新图像后将原有删除啊=========谢谢！！！

------解决方案--------------------
从数据库读出原有图片的文件名，然后删除
------解决方案--------------------
unlink('图片地址')

Related labels：
php unlink
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