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<?php $array = [[]]; var_export( // array_map(exit(...), $array) #first class callable syntax array_map('exit', $array) );
Output for 8.4.1 - 8.4.14, 8.5.0
Fatal error: Uncaught TypeError: exit(): Argument #1 ($status) must be of type string|int, array given in /in/Wh0qu:6 Stack trace: #0 [internal function]: exit(Array) #1 /in/Wh0qu(6): array_map('exit', Array) #2 {main} thrown in /in/Wh0qu on line 6
Process exited with code 255.
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 8.1.32, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28
Fatal error: Uncaught TypeError: array_map(): Argument #1 ($callback) must be a valid callback or null, function "exit" not found or invalid function name in /in/Wh0qu:6 Stack trace: #0 /in/Wh0qu(6): array_map('exit', Array) #1 {main} thrown in /in/Wh0qu on line 6
Process exited with code 255.
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