foreach(array('basedn', 'username', 'password', 'userdn', 'useroc', 'userattr',
           'fullnameattr', 'emailattr', 'groupdn', 'groupattr', 'groupoc', 'groupnameattr',
        'groupdescattr', 'groupmemberattr', 'usergroupattr', 'groupgroupattr', 'binddn', 'bindpw')

as $n) {
    if (isset($options[$n]) && !empty($options[$n]))
        {
            $this->options[$n] = $options[$n];
        }
    }