3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $input = [ 'set1' => [ 'key1' => 'value1', 'key2' => 'value2' ], 'set2' => [ 'key1' => 'value1', 'key2' => 'value2' ] ]; $output = [ 'key1' => 'value1', 'key2' => 'value2', 'key3' => 'value3', 'key4' => 'value4', 'key5' => 'value5', 'key6' => 'value6', ];
Output for 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.30 - 7.2.6