How PHP parses the body of someone else's post

How does PHP parse the body of someone else's post?
How to solve the c#post data he said put in the body inside let my interface call how to implement to get the data inside? Find Code instances
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File_put_contents (' Test.txt ', Print_r ($_post, 1));

Look at the file contents
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$post = file_get_contents ("Php://input");
Var_dump ($post);
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 $data = $_post;
File_put_contents (' Data.txt ', Json_encode ($data), true);
?>

After the other post, see what Data.txt has.
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Placing the body post is the binary post in the header.
Reference: http://blog.csdn.net/fdipzone/article/details/40098169

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