Fatal error: Uncaught TypeError: array_merge(): Argument #1 must be of type array, int given in /in/Acj2a:5
Stack trace:
#0 /in/Acj2a(5): array_merge(2)
#1 {main}
thrown in /in/Acj2a on line 5
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_merge(): Expected parameter 1 to be an array, int given in /in/Acj2a on line 5
NULL