3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [1, 2, 3, 4, 5, 6, 7, 8, 9]; $n = 3; var_dump(array_map(null, ...array_chunk($array, $n))); $n = 2; var_dump(array_map(null, ...array_chunk($array, $n)));
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
array(3) { [0]=> array(3) { [0]=> int(1) [1]=> int(4) [2]=> int(7) } [1]=> array(3) { [0]=> int(2) [1]=> int(5) [2]=> int(8) } [2]=> array(3) { [0]=> int(3) [1]=> int(6) [2]=> int(9) } } array(2) { [0]=> array(5) { [0]=> int(1) [1]=> int(3) [2]=> int(5) [3]=> int(7) [4]=> int(9) } [1]=> array(5) { [0]=> int(2) [1]=> int(4) [2]=> int(6) [3]=> int(8) [4]=> NULL } }

preferences:
213.17 ms | 405 KiB | 202 Q