Neue felder

<?php
require 'conn.php';

//get values
$vorname = $_POST["vorname"];
$nachname = $_POST["nachname"];
$email = $_POST["email"];

//insert data into mysql
$sql="INSERT INTO testtbl(vorname, nachname, email)VALUES('$vorname', '$nachname', '$email')";

if (mysqli_query($conn, $sql)){
echo "New record created";

sleep(0);
header('location: http://centifa.cqt24.ch/db/');
exit;
}
else{
echo "error";
}

$conn->close();

?>