创建唯一的图像名称 [英] Create Unique Image Names

问题描述

为用户上传的图像创建唯一名称的好方法是什么?

What's a good way to create a unique name for an image that my user is uploading?

我不想重复，所以像MD5($ filename)这样的东西不适合.

I don't want to have any duplicates so something like MD5($filename) isn't suitable.

有什么想法吗?

推荐答案

我认为创建唯一文件名的最佳方法是简单地添加time().就像

as it was mentioned, i think that best way to create unique file name is to simply add time(). that would be like

$image_name = time()."_".$image_name;

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