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<?php function map(?callable $transformer, iterable ... $inputs): iterable { // for now I just care how named parameters work var_dump($inputs); return \array_map($transformer, ...$inputs); } map(transformer: null, inputs: [[1, 2], [3, 4]]);
Output for 8.1.23 - 8.1.33, 8.2.10 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0 - 8.5.1
array(1) { ["inputs"]=> array(2) { [0]=> array(2) { [0]=> int(1) [1]=> int(2) } [1]=> array(2) { [0]=> int(3) [1]=> int(4) } } } Fatal error: Uncaught ArgumentCountError: array_map() expects at least 2 arguments, 1 given in /in/sSVTZ:6 Stack trace: #0 /in/sSVTZ(6): array_map(NULL, inputs: Array) #1 /in/sSVTZ(10): map(NULL, inputs: Array) #2 {main} thrown in /in/sSVTZ 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 7.3.0 - 7.3.21, 7.4.0 - 7.4.9
Parse error: syntax error, unexpected ':', expecting ')' in /in/sSVTZ on line 10
Process exited with code 255.
Output for 7.2.0 - 7.2.33
Parse error: syntax error, unexpected ':', expecting ',' or ')' in /in/sSVTZ on line 10
Process exited with code 255.

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