Fatal error: Uncaught TypeError: array_merge(): Argument #2 must be of type array, string given in /in/hU4vS:4
Stack trace:
#0 /in/hU4vS(4): array_merge(Array, 'a')
#1 {main}
thrown in /in/hU4vS on line 4
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_merge(): Expected parameter 2 to be an array, string given in /in/hU4vS on line 4