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<?php $a = ['A', 'Abc', 'def']; var_dump(array_combine(array_walk($a, 'strtolower'), $a));
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 ArgumentCountError: strtolower() expects exactly 1 argument, 2 given in /in/LgplG:5 Stack trace: #0 [internal function]: strtolower('A', 0) #1 /in/LgplG(5): array_walk(Array, 'strtolower') #2 {main} thrown in /in/LgplG on line 5
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 ArgumentCountError: strtolower() expects exactly 1 argument, 2 given in /in/LgplG:5 Stack trace: #0 [internal function]: strtolower('A', 0) #1 /in/LgplG(5): array_walk(Array, 'strtolower') #2 {main} thrown in /in/LgplG on line 5
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: strtolower() expects exactly 1 parameter, 2 given in /in/LgplG on line 5 Warning: strtolower() expects exactly 1 parameter, 2 given in /in/LgplG on line 5 Warning: strtolower() expects exactly 1 parameter, 2 given in /in/LgplG on line 5 Warning: array_combine() expects parameter 1 to be array, bool given in /in/LgplG on line 5 NULL
Output for 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33
Warning: strtolower() expects exactly 1 parameter, 2 given in /in/LgplG on line 5 Warning: strtolower() expects exactly 1 parameter, 2 given in /in/LgplG on line 5 Warning: strtolower() expects exactly 1 parameter, 2 given in /in/LgplG on line 5 Warning: array_combine() expects parameter 1 to be array, boolean given in /in/LgplG on line 5 NULL

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