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<?php var_dump(in_array(array(), 2));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught TypeError: in_array(): Argument #2 ($haystack) must be of type array, int given in /in/hTOpN:2 Stack trace: #0 /in/hTOpN(2): in_array(Array, 2) #1 {main} thrown in /in/hTOpN on line 2
Process exited with code 255.
Output for 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Warning: in_array() expects parameter 2 to be array, int given in /in/hTOpN on line 2 NULL
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33
Warning: in_array() expects parameter 2 to be array, integer given in /in/hTOpN on line 2 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: in_array(): Wrong datatype for second argument in /in/hTOpN on line 2 bool(false)
Output for 4.3.0 - 4.3.1
Warning: in_array() [http://www.php.net/function.in-array]: Wrong datatype for second argument in /in/hTOpN on line 2 bool(false)

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201.37 ms | 401 KiB | 308 Q