3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array("hola" => 1); $b = array("como" => 2); $f = array("andas" => 3); $c = array_merge($a, $b, $f); $d = array_unique($c); var_dump($d);
based on vFv4B
Output for 4.3.0 - 7.1.0
array(3) { ["hola"]=> int(1) ["como"]=> int(2) ["andas"]=> int(3) }