Fatal error: Uncaught ArgumentCountError: Too few arguments to function foo(), 0 passed in /in/Ymp7l on line 5 and exactly 1 expected in /in/Ymp7l:2
Stack trace:
#0 /in/Ymp7l(5): foo()
#1 {main}
thrown in /in/Ymp7l on line 2
Process exited with code 255.