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<?php var_dump(array_fill_keys(17, 19));
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Fatal error: Uncaught TypeError: array_fill_keys(): Argument #1 ($keys) must be of type array, int given in /in/8ik8V:3 Stack trace: #0 /in/8ik8V(3): array_fill_keys(17, 19) #1 {main} thrown in /in/8ik8V on line 3
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: array_fill_keys() expects parameter 1 to be array, int given in /in/8ik8V on line 3 NULL

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