fmt_base64_encode [function]
fmt_base64_encode( string data )
encodes data to produce base64 text data
- encoding is done using the following table (shortened): "A-Za-z0-9+/"
print fmt_base64_encode( "hello world" ); // prints "aGVsbG8gd29ybGQ="
print fmt_base64_encode( "hello world" ); // prints "aGVsbG8gd29ybGQ="