Network::addUserById

public function addUserById($networkId, $lastSearch = '')
{
	$userId = $this->getUserId($networkId);
	if ($userId)
	{
		return $userId;
	}

	$user = $this->getUser($networkId, $lastSearch);
	if (!$user)
	{
		return false;
	}

	return $this->addUser($user);
}