Warning: Undefined variable $checkin in /in/1ttpb on line 3
Fatal error: Uncaught TypeError: array_walk(): Argument #1 ($array) must be of type array, null given in /in/1ttpb:3
Stack trace:
#0 /in/1ttpb(3): array_walk(NULL, Object(Closure))
#1 {main}
thrown in /in/1ttpb on line 3
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Warning: Undefined variable $checkin in /in/1ttpb on line 3
Fatal error: Uncaught TypeError: array_walk(): Argument #1 ($array) must be of type array, null given in /in/1ttpb:5
Stack trace:
#0 /in/1ttpb(5): array_walk(NULL, Object(Closure))
#1 {main}
thrown in /in/1ttpb on line 5
Process exited with code 255.