php输入流大小限制 [英] php input stream size limitations

问题描述

我正在尝试使用php://input从php读取原始输入流.这适用于大多数文件，但是在上传中，文件大小超过4MB的文件将被忽略.我分别将post_max_size和upload_max_size设置为20M，以为它可以解决我的问题，但事实并非如此.是否有另一个php.ini设置需要配置，还是我需要进行某种形式的分块?如果是这样，我将如何去做?这是upload.php代码:

I am trying to read a raw input stream from php using php://input. This works for most files, however, files over 4MB are being ignored in the upload. I have set post_max_size and upload_max_size to 20M each thinking it would solve my problem, but it didn't. Is there another php.ini setting that needs to be configured or do I need to do chunking of some sort? If so, how would I go about doing that? Here is the upload.php code:

$fileName = $_SERVER['HTTP_X_FILE_NAME'];
$contentLength = $_SERVER['CONTENT_LENGTH'];

file_put_contents('uploads/' . $fileName, file_get_contents("php://input"));

推荐答案

尝试 stream_copy_to_stream ，它将输入的内容直接泵送到文件中，而无需先将其全部复制到内存中:

Try stream_copy_to_stream, which directly pumps the content of the input into the file without copying it all into memory first:

$input = fopen('php://input', 'rb');
$file = fopen($filename, 'wb');
stream_copy_to_stream($input, $file);
fclose($input);
fclose($file);

---

替代:

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Alternative:

$input = fopen('php://input', 'rb');
$file = fopen($filename, 'wb');
while (!feof($input)) {
    fwrite($file, fread($input, 102400));
}
fclose($input);
fclose($file);

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