3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array(1, 2, 5); $b = array(4); $c = array(9, 10, 18); $x = array_merge($a + $b); var_dump($x);
Output for 4.3.0 - 7.2.0
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(5) }