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<?php declare(strict_types=1); var_dump(array_key_exists(1, null)); var_dump(in_array(1, null)); var_dump(array_search(1, null));
Output for 8.0.0 - 8.0.24, 8.1.0 - 8.1.11
Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, null given in /in/06OiE:4 Stack trace: #0 {main} thrown in /in/06OiE on line 4
Process exited with code 255.
Output for 7.4.0 - 7.4.32
Fatal error: Uncaught TypeError: array_key_exists() expects parameter 2 to be array, null given in /in/06OiE:4 Stack trace: #0 {main} thrown in /in/06OiE on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Fatal error: Uncaught TypeError: array_key_exists() expects parameter 2 to be array, null given in /in/06OiE:4 Stack trace: #0 /in/06OiE(4): array_key_exists(1, NULL) #1 {main} thrown in /in/06OiE on line 4
Process exited with code 255.
Output for 5.6.0 - 5.6.40
Warning: Unsupported declare 'strict_types' in /in/06OiE on line 2 Warning: array_key_exists() expects parameter 2 to be array, null given in /in/06OiE on line 4 NULL Warning: in_array() expects parameter 2 to be array, null given in /in/06OiE on line 5 NULL Warning: array_search() expects parameter 2 to be array, null given in /in/06OiE on line 6 NULL

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