$hostname = "localhost";
$db = "";
$pass = "";
$user = "";
$connect = mysqli_connect($hostname,$user,$pass,$db);
mysqli_query($connect,"SET CHARACTER SET utf8");
mysqli_set_charset("utf8");

$nameAndSurname = $_POST['nameAndSurname'];
//
//
///
//

 $registerUser = mysqli_query($connect,"INSERT into users(phoneNumber,email,password,nameAndSurname,registerDate,lastLogin) values('$phoneNumber','$email','$passwordmd5','$nameAndSurname','$dateRegister','$dateLastLogin')");