3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array(1, 2, 3, 4); $arr2 = array(4, 5, 6, 7); $test = array_merge($arr, $arr2); print_r($test);
Output for 4.3.0 - 7.1.0
Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 [4] => 4 [5] => 5 [6] => 6 [7] => 7 )