$stringJ = json_encode($data);
//Open connection
$ch = curl_init();

//set the url, number of POST vars, POST data
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POSTFIELDS, $stringJ);

//execute post
$result = curl_exec($ch);
echo $result;
//close connection
curl_close($ch);