Fatal error: Uncaught ArgumentCountError: Too few arguments to function foo(), 0 passed in /in/re0Ll on line 6 and at least 1 expected in /in/re0Ll:2
Stack trace:
#0 /in/re0Ll(6): foo()
#1 {main}
thrown in /in/re0Ll on line 2
Process exited with code 255.