$host = "10.100.2.7/portalwsServer/pns/";
$port = 80;
$username = "wsadmin";
$password = "p0rt4lws4dm1n";
$nip = $_POST['nip'];
$process = curl_init($host.$nip);
curl_setopt($process, CURLOPT_HTTPHEADER, array('Content-Type: application/json'));
curl_setopt($process, CURLOPT_HEADER, 0);
curl_setopt($process, CURLOPT_USERPWD, $username . ":" . $password);
curl_setopt($process, CURLOPT_TIMEOUT, 30);
curl_setopt($process, CURLOPT_RETURNTRANSFER, TRUE);
$return = curl_exec($process);
curl_close($process);

if (strpos($return,'HTTP Status 404') !== false) {
   $msg['result'] = -1;
   $msg['message'] = 'Error 404 from server';
  echo json_encode($msg);
} else {
  $pns = json_decode($return);
}