使用PHP：//输入和file_put_contents [英] Using php://input and file_put_contents

问题描述

我收到文件（影像）与阿贾克斯上传到我的PHP脚本，并已完成了使用这个工作：

I'm receiving files (images) uploaded with Ajax into my PHP script and have got it to work using this:

$input = fopen("php://input", "r");
file_put_contents('image.jpg', $input);

很显然，我将在手术前消毒的输入。

Obviously I will sanitize input before this operation.

有一件事情我想检查是文件的大小之前，创建新的文件，内容如下：

One thing I wanted to check was the file size prior to creating the new file, as follows:

$input = fopen("php://input", "r");
$temp = tmpfile();
$realsize = stream_copy_to_stream($input, $temp);
if ($realsize === $_SERVER["CONTENT_LENGTH"]) {
  file_put_contents('image.jpg', $temp);
}

这是行不通的。该文件被创建，但它具有大小为0字节，所以内容不被放入该文件。我不是非常熟悉使用流，但我不明白为什么不应该工作，所以我转向你的帮助。在此先感谢！

And that doesn't work. The file is created, but it has a size of 0 bytes, so the content isn't being put into the file. I'm not awfully familiar with using streams, but I don't see why that shouldn't work, so I'm turning to you for help. Thanks in advance!

推荐答案

解决方案是看似简单：

$input = fopen("php://input", "r");
file_put_contents($path, $input);

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