通过$ _FILES或php：//输入上传文件？哪个系统更好？

问题描述：

I am creating a script that via my iOS application I can upload a file. I was wondering which method is better or safer for the system? $_FILES or php://input? Does it matter? I am curious to know because users will need to upload multiple files at once, for example one user may upload one photo but 10k are doing it at once. I am just trying to prepare for a situation like that.

Any suggestions on this? I know $_FILES writes to the temp directory, I believe php://input does not though (does it use system memory)? Please help me understand. I found a few other threads on this but nothing specifically said how it affects the system & which one is better for my situation.

The files will not be bigger than 2MB at most.

我正在创建一个脚本，通过我的iOS应用程序，我可以上传文件。我想知道哪种方法对系统更好或更安全？ $ _ FILES code>或 php：// input code>？有关系吗？我很想知道，因为用户需要一次上传多个文件，例如一个用户可以上传一张照片但是10k一次就可以上传。我只是想为这样的情况做准备。 p>

对此有何建议？我知道 $ _ FILES code>写入临时目录，我相信 php：// input code>不会（它是否使用系统内存）？请帮我理解。我在此发现了一些其他线程，但没有具体说明它如何影响系统和＆amp; 哪一个更适合我的情况。 p>

文件最多不会超过2MB。 p> div>

答

Regardless of whichever you choose, php will always have the entire file in memory due to the way php handles file uploads.

I'd stick with $_FILES, it's already there to help you with the handling of file uploads with PHP.

通过$ _FILES或php：//输入上传文件？ 哪个系统更好？

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通过$ _FILES或php：//输入上传文件？哪个系统更好？