3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ "old" => [ "uk" => "unik", "en" => "eng", "fr" => "fren" ], "new" => [ "uk" => "united kingdom", "en" => "english", "fr" => "french" ] ]; $output = []; $codes = ['uk', 'en', 'fr']; array_walk_recursive($arr, function ($value, $key) use (&$output) { $output[$key][] = $value; }); print_r($output);
Output for 7.0.0 - 7.0.24, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Array ( [uk] => Array ( [0] => unik [1] => united kingdom ) [en] => Array ( [0] => eng [1] => english ) [fr] => Array ( [0] => fren [1] => french ) )
preferences:
77.84 ms | 1534 KiB | 4 Q