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<?php $matrix = [ '0123456789ABCDEF', '0123456789ABCDEF', '0123456789ABCDEF', '0123456789ABCDEF', '0123456789ABCDEF', '0123456789ABCDEF', '0123456789ABCDEF', '0123456789ABCDEF', '0123456789ABCDEF', '0123456789ABCDEF', '0123456789ABCDEF', '0123456789ABCDEF', '0123456789ABCDEF', '0123456789ABCDEF', '0123456789ABCDEF', '0123456789ABCDEF', ]; var_export(array_map(fn() => array_reverse(func_get_args()), ...str_split($matrix))); echo "\n---\n"; var_export(array_map(fn(...$col) => array_reverse($col), ...$matrix));
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