private function parsed($now = null)
    {
        $chars = 0;
        foreach ($this->isbnSplit as $key => $split) {
            if (isset($now) === false or $key < $now) {
                $chars = $chars + strlen($split);
            }
        }

        return $chars;
    }
private function parsed($now = null)
    {
        $chars = 0;
        foreach ($this->isbnSplit as $key => $split) {
            if (isset($now) === false or $key < $now) {
                $chars = $chars + strlen($split);
            }
        }

        return $chars;
    }
private function parsed ( $ now = null ) { $ chars = 0 ; foreach ( $ this -> isbnSplit as $ key => $ split ) { if ( isset ( $ now ) === false or $ key < $ now ) { $ chars = $ chars + strlen ( $ split ) ; } } return $ chars ; }
Get Parsed Length

@param null|int $now
@return int
Get Parsed Length