3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a1=array(21,34); $a2=array(34,67); print_r(array_merge($a1,$a2)); ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => 21 [1] => 34 [2] => 34 [3] => 67 )