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<?php 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/tXpek:3 Stack trace: #0 {main} thrown in /in/tXpek on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.32
Warning: array_key_exists() expects parameter 2 to be array, null given in /in/tXpek on line 3 NULL Warning: in_array() expects parameter 2 to be array, null given in /in/tXpek on line 4 NULL Warning: array_search() expects parameter 2 to be array, null given in /in/tXpek on line 5 NULL
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: array_key_exists(): The second argument should be either an array or an object in /in/tXpek on line 3 bool(false) Warning: in_array(): Wrong datatype for second argument in /in/tXpek on line 4 bool(false) Warning: array_search(): Wrong datatype for second argument in /in/tXpek on line 5 bool(false)
Output for 4.3.0 - 4.3.1
Warning: array_key_exists() [http://www.php.net/function.array-key-exists]: The second argument should be either an array or an object in /in/tXpek on line 3 bool(false) Warning: in_array() [http://www.php.net/function.in-array]: Wrong datatype for second argument in /in/tXpek on line 4 bool(false) Warning: array_search() [http://www.php.net/function.array-search]: Wrong datatype for second argument in /in/tXpek on line 5 bool(false)

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