Writing new software in 2018

Use Java,C#,Swift.
These are the best for both apps and servers.
Polished, complete and with good tooling(IDEA,VS,XCode).
Platform vendors design APIs with these in mind.

Any other language is strictly inferior.

>>10
Not your problem. You could have stayed and spied on them. You're just a lazy bydlo unable to work in a team and who can't beat PHP with C#.