3v4l.org

run code in 500+ PHP versions simultaneously
<?php $matrix = [ [1, 2, 3], [4, 5, 6], [7, 8, 9], ]; var_export(array_map('array_reverse', array_map(null, ...$matrix))); /* Desired: [[7,4,1], [8,5,2], [9,6,3]] */

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85.62 ms | 2010 KiB | 5 Q