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<?php $a = [1, 2, 3]; $c = static fn(int $x) => $x*2; $result = array_map(callback: $c, arr1: $a); var_dump($result);
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: array_map() expects at least 2 arguments, 1 given in /in/qjb7B:6 Stack trace: #0 /in/qjb7B(6): array_map(Object(Closure), arr1: Array) #1 {main} thrown in /in/qjb7B on line 6
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: array_map() expects at least 2 arguments, 1 given in /in/qjb7B:6 Stack trace: #0 /in/qjb7B(6): array_map(Object(Closure), arr1: Array) #1 {main} thrown in /in/qjb7B on line 6
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Parse error: syntax error, unexpected ':', expecting ')' in /in/qjb7B on line 6
Process exited with code 255.
Output for 7.3.0 - 7.3.33
Parse error: syntax error, unexpected 'fn' (T_STRING), expecting :: (T_PAAMAYIM_NEKUDOTAYIM) in /in/qjb7B on line 4
Process exited with code 255.

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