ok1
Fatal error: Uncaught ArgumentCountError: Too few arguments to function a(), 0 passed in /in/IgRns on line 5 and exactly 1 expected in /in/IgRns:5
Stack trace:
#0 /in/IgRns(5): a()
#1 {main}
thrown in /in/IgRns on line 5
Process exited with code 255.
ok1
Warning: Missing argument 1 for a(), called in /in/IgRns on line 5 and defined in /in/IgRns on line 5
Notice: Undefined variable: x in /in/IgRns on line 5
NULL