<?
include 'conn.php';

$telefon = $_POST['telefon'];
$uuid = $_POST['uuid'];
$username = $_POST['username'];
$password = $_POST['password'];
if (empty($username))
  die("-3");
if (empty($password))
  die("-4");
if (empty($uuid))
  die("-5");
if (empty($telefon))
  die("-6");

$sql = "SELECT * FROM users WHERE username='$username' AND password='$password'";
$result = mysql_query($sql) or die(mysql_error());
if (mysql_num_rows($result) < 1)
  die("-1");
if (mysql_num_rows($result) == 1)  {
  $rad = mysql_fetch_array($result);
  $id = $rad['id'];
  $sql = "UPDATE users SET uuid='$uuid' AND telefon='$telefon'";
  mysql_query($sql) or die(mysql_error());
  echo $id;
}
?>