The author of the article needs to get in touch with a Lebanese person. Just about any Lebanese who has lived mostly in Lebanon will do.

They have a popular and simple system for writing Arabic in Latin, with numerals stepping in for certain Arabic letters.

There's also the Maltese language which is an Arabic dialect (mixed with bits of Italian for historical reasons) which is officially written in the Latin alphabet.

https://en.wikipedia.org/wiki/Maltese_language

That’s the so-called Arabic chat alphabet, and it’s used across the Arab world. But it isn’t standardized, and everyone writes it differently.