- Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.29, 8.2.0 - 8.2.23, 8.3.0 - 8.3.11
- array(3) { [2]=> string(3) "ABC" [3]=> string(3) "DEF" [4]=> string(3) "GHI" }
<?php
$a = [
2 => 'ABC',
];
$a[] = 'DEF';
array_push($a, 'GHI');
var_dump($a);