Why is this wrong?

Question

Does this work in sololearn PHP . I got an error in this
https://code.sololearn.com/wC8w36ckgjJe/?ref=app

Answer 1

Your code contains invalid characters. To see those characters, use web browsers to run your code online. I see those characters when I tested your code here 👇

https://www.tutorialspoint.com/execute_php_online.php