public function _unique(&$array, $desired = null)
    {
        $desired = preg_replace('/[^a-zA-Z0-9:]/', '_', $desired);
        $desired = parent::_unique($array, $desired);

        return $desired;
    }
public function _unique(&$array, $desired = null)
    {
        $desired = preg_replace('/[^a-zA-Z0-9:]/', '_', $desired);
        $desired = parent::_unique($array, $desired);

        return $desired;
    }
public function _unique ( & $ array , $ desired = null ) { $ desired = preg_replace ( '/[^a-zA-Z0-9:]/' , '_' , $ desired ) ; $ desired = parent :: _unique ( $ array , $ desired ) ; return $ desired ; }
{{{ Generic routines
{{{ Generic routines