3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $c[] = 'Hello'; $a = ["You","are","here"]; $b[] = 'Hello'; $a = array_merge($a, $b); print_r($a); print_r($b); print_r($c);
based on d8vun
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.3.0rc3
Array ( [0] => You [1] => are [2] => here [3] => Hello ) Array ( [0] => Hello ) Array ( [0] => Hello )