3v4l.org

run code in 300+ PHP versions simultaneously
<?php $l = [1, 2, 3, 4, 5, 6]; foreach(array_chunk($l, 2) as $x) { echo $x[0], ' ', $x[1], PHP_EOL; }
Output for 7.1.0 - 7.1.21, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.30, 8.0.0 - 8.0.20, 8.1.0 - 8.1.7
1 2 3 4 5 6

preferences:
37.47 ms | 409 KiB | 5 Q