function _rule_get($str) {
        if (!isset($this->_rd[$str])) return false;
        return $this->_rd[$str];
    }
function _rule_get($str) {
        if (!isset($this->_rd[$str])) return false;
        return $this->_rd[$str];
    }
function _rule_get ( $ str ) { if ( ! isset ( $ this -> _rd [ $ str ] ) ) return false ; return $ this -> _rd [ $ str ] ; }
get the ruleset
get the ruleset