I completed php course on sololearn, however it seems limted. What to do you suggest to learn next on php?

Answer 1

Try object-oriented PHP lessons:
https://www.sololearn.com/learn/984/?ref=app

Answer 2

You need to learn MVC (Models Views Controllers). This is a php structure which is really used for web development. You can also try frameworks like Laravel or Symphony.

Answer 3

Antoine Bergerault thank you, I will!