Ping Technorati using cURL and XMLRPC extensions.
$request = xmlrpc_encode_request("weblogUpdates.ping", array("Copenhagen Ruby Brigade", "http://copenhagenrb.dk/") );
$header[] = "Host: rpc.technorati.com";
$header[] = "Content-type: text/xml";
$header[] = "Content-length: ".strlen($request) . "\r\n";
$header[] = $request;
$ch = curl_init();
curl_setopt( $ch, CURLOPT_URL, "http://rpc.technorati.com/rpc/ping");
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 );
curl_setopt( $ch, CURLOPT_HTTPHEADER, $header );
curl_setopt( $ch, CURLOPT_CUSTOMREQUEST, 'POST' );
$result = curl_exec( $ch );
curl_close($ch);
echo $result;