3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [[1,2,3,4],[1,2,3,4],[3,4,5,6],[3,4,5,6]]; $result = []; foreach ($array as $row) { foreach (array_reverse($row) as $i => $v) { $result[$i][] = $v; } } var_export($result);
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
array ( 0 => array ( 0 => 4, 1 => 4, 2 => 6, 3 => 6, ), 1 => array ( 0 => 3, 1 => 3, 2 => 5, 3 => 5, ), 2 => array ( 0 => 2, 1 => 2, 2 => 4, 3 => 4, ), 3 => array ( 0 => 1, 1 => 1, 2 => 3, 3 => 3, ), )
preferences:
97.38 ms | 407 KiB | 5 Q