public function registerUser($input)
{
// if no group_id in input, default to "Adminstrator"
$input['group_id'] = array_get($input, 'group_id', 2);
if ($user = $this->createUser($input)) {
$this->generateActivateCode($user);
$this->message = 'User successfully registered. An email has been sent with an activation link.';
return $user;
}
return false;
}