FOF30\Encrypt\Base32::str2bin PHP Метод

Converts any ascii string to a binary string

private str2bin ( string $str ) : string
$str	string	The string you want to convert
Результат	string	String of 0's and 1's

    private function str2bin($str)
    {
        $chrs = unpack('C*', $str);
        return vsprintf(str_repeat('%08b', count($chrs)), $chrs);
    }

Base32