public function tryRegister(UserCredentials $uc, &$user)
{
$this->userName = $uc->getUserName();
$this->password = $uc->getPassword();
$user = new User($this->userName, $this->password);
if (!User::checkIfUserExists($this->userName)) {
User::AddUser($user);
$this->validRegister = true;
return true;
} else {
return false;
}
}