Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, int given in /in/80dPM:5
Stack trace:
#0 /in/80dPM(5): array_keys(0)
#1 {main}
thrown in /in/80dPM on line 5
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: array_keys() expects parameter 1 to be array, int given in /in/80dPM on line 5
Notice: Trying to access array offset on value of type null in /in/80dPM on line 5
NULL
Output for 7.3.16 - 7.3.33
Warning: array_keys() expects parameter 1 to be array, int given in /in/80dPM on line 5
NULL