我不太确定我是否理解您要执行的操作，但请尝试查看原始帖子数据.这是一篇博客文章，对此进行了一些讨论.

I'm not really sure I understand what you are trying to do but try looking in to reading raw post data. Here is a blog post that talks about it a little bit.

http://www.codediesel.com/php/reading-raw-post-data-in-php/