Base58 Encode and Decode using PHP with example; base58_encode(), base58_decode()

For Bitcoin: /** All alphanumeric characters except for "0", "I", "O", and "l" */ static const char* pszBase58 = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"; from https://github.com/bitcoin/bitcoin/blob/HEAD/src/base58.cpp