3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = [ 'a' => 1, 'b' => 2, 'c' => 3 ]; $b = [ 'c' => 4 ]; print_r(array_merge($a,$b));
Output for 5.6.38 - 7.3.0rc3
Array ( [a] => 1 [b] => 2 [c] => 4 )