function strip_headers($response){
        $myresponse=&New GenericHTTPResponse;
        $myresponse->chewRestResponse($response);
        return $myresponse->getHTTPBody();
}
function inputxml2php($inputxml) {
   $xml_parser = xml_parser_create();
   xml_parse_into_struct($xml_parser, $inputxml, $arr_vals,$index);
   xml_parser_free($xml_parser);
   return $arr_vals;
}
function HTTP_Post($URL,$data, $referrer="") {
        // expects data to be an array !!!
        // parsing the given URL
        $URL_Info=parse_url($URL);
        // Building referrer
        if($referrer=="") // if not given use this script as referrer
          $referrer=$_SERVER["PHP_SELF"];
        // making string from $data
        foreach ($data as $key=>$value)
          $values[]="$key=".urlencode($value);
        $data_string=implode("&",$values);
        // Find out which port is needed - if not given use standard (=80)
        if(!isset($URL_Info["port"]))
          $URL_Info["port"]=80;
            $request="";
        // building POST-request:
        $request.="POST ".$URL_Info["path"]." HTTP/1.1\n";
        $request.="Host: ".$URL_Info["host"]."\n";
        $request.="Referer: $referrer\n";
        $request.="Content-type: application/x-www-form-urlencoded\n";
        $request.="Content-length: ".strlen($data_string)."\n";
        $request.="Connection: close\n";
        $request.="\n";
        $request.=$data_string."\n";
                $result="";
        $fp = fsockopen($URL_Info["host"],$URL_Info["port"]);
        fputs($fp, $request);
        while(!feof($fp)) {
            $result .= fgets($fp, 128);
        }
        fclose($fp);
        return $result;
      }
?>
Yahoo! Term Extraction AJAX-enabled tag guesser