try {

    $myValidation = new classes_ValidateForm ('registerUser', $_POST);
    $validationResult = $myValidation->getStatus();
    if (!is_array($validationResult)) {

    $arqName = $_FILES['arquivo']['name'];
    $arqTemp = $_FILES['arquivo']['tmp_name'];
    $pasta = 'img/';

//extensao do arquivo enviado

    $extensaoTemp = explode('.',$arqName);

    $extensao = strtolower(end($extensaoTemp));

//nome do arquivo TimesTamp

    $nome = time(). '.' . $extensao;

    $upload = move_uploaded_file($arqTemp, $pasta . $nome);

    if ($upload === true)

    {



          $ficheiro = $pasta.$nome;

          $resizeObj = new resize($ficheiro);

          $resizeObj -> resizeImage(1600, 1200, 'auto');

          $resizeObj -> saveImage("img/$nome", 100);

          $resizethumb = new resize($ficheiro);

          $resizethumb -> resizeImage(200, 125, 'crop');

          $resizethumb -> saveImage("img/thumbnails/$nome", 100);

    }

    $myUser = new classes_User ($_POST, 'newUser');
        $myUserManager = new classes_UserManager($myControlPanel);

        $userResult = $myUserManager->addUser($myUser, $_POST['password'], $nome);

        echo $userResult;
        die();

}
}

public function addUser($myUser, $password, $image) {

    if (!is_a ($myUser, 'classes_User')) {

        throw new InvalidArgumentException('Invalid Object');
    }

    // 1 Get Username and email
    $username = $myUser->getUsername();
    $email = $myUser->getEmail();

    $query = "SELECT * FROM users WHERE username='$username' OR email='$email'";
    $myDb = $this->_controlPanel->getMyDb();
    $result = $myDb->performQuery($query);

    if ($result == "Query Error") {

        return ("ERROR ADDING USER");
    }

    elseif ($result->num_rows==1) {

        return (false);
    }

    else {

        $name = $myUser->getName();
        $encpassword = md5($password);
        $idtype = $myUser->getUserType();



        $query = "INSERT INTO users (name, username, email, password, id_type, image) VALUES ('$name', '$username', '$email', '$encpassword', '$idtype', '$image')";

        $result = $myDb->performQuery($query);

        if($result != true) {

            return ("Error Adding User:Query");
        }

        else {

            echo "<h2> You have been registered. You will be redirected to the login page.</h2>";
            header( "Refresh:3; url=login.php");
        }
    }
}