private function buildDigitList($radix)
    {
        if ($radix <= strlen(self::$integerBase)) {
            return str_split(substr(self::$integerBase, 0, $radix));
        } elseif ($radix === 64) {
            return str_split(self::$integerBase64);
        } elseif ($radix <= 256) {
            return range(chr(0), chr($radix - 1));
        }

        return $this->buildArbitraryList($radix);
    }
private function buildDigitList($radix)
    {
        if ($radix <= strlen(self::$integerBase)) {
            return str_split(substr(self::$integerBase, 0, $radix));
        } elseif ($radix === 64) {
            return str_split(self::$integerBase64);
        } elseif ($radix <= 256) {
            return range(chr(0), chr($radix - 1));
        }

        return $this->buildArbitraryList($radix);
    }
private function buildDigitList ( $ radix ) { if ( $ radix <= strlen ( self :: $ integerBase ) ) { return str_split ( substr ( self :: $ integerBase , 0 , $ radix ) ) ; } elseif ( $ radix === 64 ) { return str_split ( self :: $ integerBase64 ) ; } elseif ( $ radix <= 256 ) { return range ( chr ( 0 ) , chr ( $ radix - 1 ) ) ; } return $ this -> buildArbitraryList ( $ radix ) ; }
Builds the list of digits according to the radix.
@param int $radix Radix for the numeral system
@return string[] The list of digits
Builds the list of digits according to the radix .