3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $ar1 = array("color" => array("favorite" => "red"), 5); $ar2 = array(10, "color" => array("favorite" => "green", "blue")); $result = array_merge_recursive($ar1, $ar2); $result2 = $ar1 + $ar2; print_r($result); print_r($result2);
Output for 4.3.0 - 7.2.0
Array ( [color] => Array ( [favorite] => Array ( [0] => red [1] => green ) [0] => blue ) [0] => 5 [1] => 10 ) Array ( [color] => Array ( [favorite] => red ) [0] => 5 )