On Wednesday, February 13, 2002, at 04:04  AM, L. Hoeneveld wrote:

> We use the header() function to display a html page like this:
> header("Location: $mail_error_page?CODE=$CODE");
> But instead of showing the variable $CODE we would like to hide it. 
> Just like
> when you POST variables to a HTML-page. Is there any way to do this?

I see what you're saying -- but the problem is the HTTP protocol 
itself.  GET data is passed along on the querystring (like you have in 
your header function above).  POST variables are sent along as 
"content", you can look up the official format on the web (google => 
HTTP 1.0 protocol) but basically you have to set up your headers to 
describe the fact that you are sending POST data, which are followed by 
a blank line (two newlines), then the POST data itself (code=$code).

Just yesterday someone posted a link to the PostToHost function, which 
is in the archives.  Sorry, I don't have the link, but I recorded the 
function -- it is done by opening a socket connection to the server and 
communicating directly to it as though it were a file.  Here it is:

# ===============================================================
# PostToHost($host, $path, $data_to_send)
# ---------------------------------------------------------------
# "It is a trivial little function."
# -Rasmus
# ===============================================================

function PostToHost($host, $path, $data_to_send)
        $fp = fsockopen($host,80);                                                     
         // $fp now points to the "file" opened 
by fsockopen
        fputs($fp, "POST $path HTTP/1.0\n");                                           
 // write the first header, with 
the path and the protocol
                // (PHP manual annotations suggest using 1.0 over 1.1)
        fputs($fp, "Host: $host\n");                                                   
 // write the hostname line of the header
        fputs($fp, "Content-type: application/x-www-form-urlencoded\n");               
 // write 
the encoding type line of the header
        fputs($fp, "Content-length: " . strlen($data_to_send) . "\n");          // 
the content-length of data to send
        fputs($fp, "Connection: close\n\n");                                           
 // close the connection, and a 
blank line
        fputs($fp, $data_to_send);                                                     
         // write the data to send (in POST variable 
        while(!feof($fp)) {                                                            
         // until the end of the "file", eat 128 bytes 
at a time
                echo fgets($fp, 128);
                 // close the "file"

Sorry about the spacing, you'll have to clean it up in your editor.  But 
I commented the crap out of it so that I'd/you'd understand what was 
going on.




Erik Price
Web Developer Temp
Media Lab, H.H. Brown

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