3v4l.org

run code in 500+ PHP versions simultaneously
<?php $arr=[1,2,3,4,6,7,8,10,11,12,13,14,16,17,18]; $block = array_chunk($arr,3); print_r($block); $blockNew[] = array_slice($arr, 0, 3, true); $blockNew[] = array_slice($arr, 4, 3, true); $blockNew[] = array_slice($arr, 7, 3, true); print_r($blockNew);
Output for 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 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] => 1 [1] => 2 [2] => 3 ) [1] => Array ( [0] => 4 [1] => 6 [2] => 7 ) [2] => Array ( [0] => 8 [1] => 10 [2] => 11 ) [3] => Array ( [0] => 12 [1] => 13 [2] => 14 ) [4] => Array ( [0] => 16 [1] => 17 [2] => 18 ) ) Array ( [0] => Array ( [0] => 1 [1] => 2 [2] => 3 ) [1] => Array ( [4] => 6 [5] => 7 [6] => 8 ) [2] => Array ( [7] => 10 [8] => 11 [9] => 12 ) )

preferences:
122.37 ms | 1850 KiB | 4 Q