3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $str='a-1-2-3-4'; print_r(explode('-', $str) + array_fill(0, 3, NULL));
based on MDrp8
Output for 4.3.0 - 7.2.0
Array ( [0] => a [1] => 1 [2] => 2 [3] => 3 [4] => 4 )