Something

<?php

/**
 * Subclass for representing a row from the 'user' table.
 *
 * 
 *
 * @package lib.model
 */ 
class User extends BaseUser
{
    function __toString()
    {
        return $this->getUsername();
    }
    function getLinkedUsergroups()
    {
			return DbUtil::recordIntoMSelectArray( $this, 'UserUsergroups', 'Usergroup');
    }
}