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<?php $a = ['a']; $b= null; var_dump(array_intersect($a, $b));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught TypeError: array_intersect(): Argument #2 must be of type array, null given in /in/2Ugg1:7 Stack trace: #0 /in/2Ugg1(7): array_intersect(Array, NULL) #1 {main} thrown in /in/2Ugg1 on line 7
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught TypeError: array_intersect(): Argument #2 must be of type array, null given in /in/2Ugg1:7 Stack trace: #0 /in/2Ugg1(7): array_intersect(Array, NULL) #1 {main} thrown in /in/2Ugg1 on line 7
Process exited with code 255.
Output for 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_intersect(): Expected parameter 2 to be an array, null given in /in/2Ugg1 on line 7 NULL
Output for 5.6.38, 7.0.0 - 7.0.31, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33
Warning: array_intersect(): Argument #2 is not an array in /in/2Ugg1 on line 7 NULL

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