public function base32Decode($b32)
    {
        $b32 = strtoupper($b32);

        $this->validateSecret($b32);

        return ParagonieBase32::decodeUpper($b32);
    }
public function base32Decode($b32)
    {
        $b32 = strtoupper($b32);

        $this->validateSecret($b32);

        return ParagonieBase32::decodeUpper($b32);
    }
public function base32Decode ( $ b32 ) { $ b32 = strtoupper ( $ b32 ) ; $ this -> validateSecret ( $ b32 ) ; return ParagonieBase32 :: decodeUpper ( $ b32 ) ; }
Decodes a base32 string into a binary string.

@param string $b32

@throws InvalidCharactersException
@throws IncompatibleWithGoogleAuthenticatorException

@return int
Decodes a base32 string into a binary string .