3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = ['A', 'B', 'C', 'D', 'E', 'F', 'G']; $cols = 2; $rows = ceil(count($input) / $cols); $result = []; foreach ($input as $i => $value) { $result[$i % $rows][] = $value; } var_export($result);
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array ( 0 => array ( 0 => 'A', 1 => 'E', ), 1 => array ( 0 => 'B', 1 => 'F', ), 2 => array ( 0 => 'C', 1 => 'G', ), 3 => array ( 0 => 'D', ), )

preferences:
84.2 ms | 1274 KiB | 4 Q