I think you forgot an important feature of PHP: it just works.
I can pretty much create and "deploy" a PHP web app within minutes of getting a run-of-the-mill hosting service.
I can pretty much create and "deploy" a PHP web app within minutes of getting a run-of-the-mill hosting service.
Similarly, LPG is a great car fuel here where I live, because of a good price and abundance of gas station, but it's not the case in the US.