PHP is not a new language. It began as a template layer for C applications, but it has become so much more. Just as the language has evolved, so too have how it is now used. Today, there are some who use it for asynchronous architecture and others who advocate for functional programming. These concepts came from other languages, where syntax and semantics allow for them; where syntax and semantics are built with these things in mind. I want us to explore the ways in which we can evolve PHP. There are a couple of reasons we might want to do this.