/**
* Get user by id
*
* @param integer $userId User id
*
* @return User
*/
public static function getById($userId = null)
{
if ($userId) {
$user = new self();
$criteria = $user->createCriteria('id', '=', $userId);
$result = $user->get(array($criteria));
if (!empty($result)) {
return $result[0];
}
}
return null;
}
