private function updateUserFields($userLogin, $fields)
{
$set = array();
$bind = array();
foreach ($fields as $key => $val) {
$set[] = "`{$key}` = ?";
$bind[] = $val;
}
$bind[] = $userLogin;
$db = $this->getDb();
$db->query(sprintf('UPDATE `%s` SET %s WHERE `login` = ?', $this->table, implode(', ', $set)), $bind);
}