3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ '{"asset":[1,2],"person":[1],"passive":[1]} ', '{"asset":[3],"charge":[1],"passive":[2]} ', ]; $array = array_map(function($v) { return json_decode($v, true);}, $array); $merged = array_merge_recursive(...$array); print json_encode($merged);
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
{"asset":[1,2,3],"person":[1],"passive":[1,2],"charge":[1]}
preferences:
130.59 ms | 407 KiB | 5 Q