Welcome to the numberToWordsMultiLanguage wiki!
You can convert any number (currently not larger than 999 billion! it's just a matter of adding several more line of languages to support more. You can see the example.php to see how it works; nevertheless, here are some more explanations:
All you need to do is just adding loader.php file, if nothing has been changed regarding the file or if no permission error has occurred, it loads the libraries.