3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = [ ['A', 'B', 'C'], ['F', 'G'] ]; $arr2 = [ ['D', 'E'], ['H', 'I', 'J', 'L'] ]; foreach ($arr1 as $i => &$row) { array_push($row, ...$arr2[$i]); } var_export($arr1);
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
array ( 0 => array ( 0 => 'A', 1 => 'B', 2 => 'C', 3 => 'D', 4 => 'E', ), 1 => array ( 0 => 'F', 1 => 'G', 2 => 'H', 3 => 'I', 4 => 'J', 5 => 'L', ), )
preferences:
52.15 ms | 407 KiB | 5 Q