private function isStandardBase(array $digits)
    {
        if (count($digits) > strlen(self::$standardBase)) {
            return false;
        }

        return $digits === str_split(substr(self::$standardBase, 0, count($digits)));
    }
private function isStandardBase(array $digits)
    {
        if (count($digits) > strlen(self::$standardBase)) {
            return false;
        }

        return $digits === str_split(substr(self::$standardBase, 0, count($digits)));
    }
private function isStandardBase ( array $ digits ) { if ( count ( $ digits ) > strlen ( self :: $ standardBase ) ) { return false ; } return $ digits === str_split ( substr ( self :: $ standardBase , 0 , count ( $ digits ) ) ) ; }
Tells if the list of digits match those used by GMP.
@param array $digits List of digits for the number base
@return bool True if the digits match, false if they do not
Tells if the list of digits match those used by GMP .