Help me!! Why my code doesn't work?

Question

https://code.sololearn.com/Wb4XDZz0gf6a/?ref=app

Answer 1

Yes, Thank you

Answer 2

Ok Thank you

Answer 3

Wow it's work, Thank you 🙂

Answer 4

You can't get PHP code to run when you write it in a Web code. Try to write and save it in a PHP code then try again.

Answer 5

It seems like Sololearn has a problem with running PHP on a html page, even though it should work....
Try running it with PHP rather than web:
https://code.sololearn.com/wLEmx0AkaI7N/?ref=app