PHP4: Send XML over HTTPS/POST via cURL?

Question

I wrote a class/function to send xml over https via PHP4/cURL, just wondering if this is the correct approach, or if there's a better one.

Note that PHP5 is not an option at present.

/**
 * Send XML via http(s) post
 *
 * curl --header "Content-Type: text/xml" --data "<?xml version="1.0"?>...." http://www.foo.com/
 *
 */
function sendXmlOverPost($url, $xml) {
  $ch = curl_init();
  curl_setopt($ch, CURLOPT_URL, $url);

  // For xml, change the content-type.
  curl_setopt ($ch, CURLOPT_HTTPHEADER, Array("Content-Type: text/xml"));

  curl_setopt($ch, CURLOPT_POST, 1);
  curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);

  curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); // ask for results to be returned
  if(CurlHelper::checkHttpsURL($url)) { 
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
  }

  // Send to remote and return data to caller.
  $result = curl_exec($ch);
  curl_close($ch);
  return $result;
}

cheers!

Answer 1

If the protocol you are using is XML-RPC (looks like it based on what you said) and you are using at least PHP 4.2, have a look at http://phpxmlrpc.sourceforge.net/ for libraries and resources.