3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ 2 => 'ABC', ]; $a[] = 'DEF'; array_push($a, 'GHI'); var_dump($a);
Output for 7.4.0 - 7.4.33, 8.0.1 - 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(3) { [2]=> string(3) "ABC" [3]=> string(3) "DEF" [4]=> string(3) "GHI" }
preferences:
75.24 ms | 1255 KiB | 4 Q