* Include ajax class to check unique nonce (string)
 */
session_start();
require_once '../libs/autoloader.php';
require_once '../libs/connect.class.php';
$register = new register($mysqli);
$ajax = new AJAX();
$nonce = $_POST['nonce'];
$username = $_POST['username'];
$email1 = $_POST['email'];
$email2 = $_POST['reemail'];
$pass1 = $_POST['pass'];
$pass2 = $_POST['repass'];
// check if session is still alive.
if (isset($_SESSION['current_page'])) {
    if ($ajax->checkAJAX($nonce, $_SESSION['current_page'])) {
        if (isset($_POST['submit'])) {
            $register->Username($username);
            $register->Email($email1, $email2);
            $register->Password($pass1, $pass2);
            if (empty($register->errors)) {
                //if no errors, add user.
                $register->addUser($username, $pass1, $email1);
                if (!isset($mysqli->errorno)) {
                    //query went through without a problem
                    //echo success, then clear form, disable button, and destroy session
                    echo "<div id=\"return_success\">";
                    echo "<ul style=\"list-style: none;\">";
                    echo "<li><b>Your user has been added to the database!</b></li>";
                    echo "</ul>";
                    echo "</div>";