3v4l.org

run code in 300+ PHP versions simultaneously
<?php function array_multiupdate_from_keys(array &$array, array $keys, $value){ if(!empty($keys)){ $key = array_shift($keys); if(key_exists($key, $array)){ count($keys) > 0 ? array_multiupdate_from_keys($array[$key], $keys, $value) : $array[$key] = $value; } } } $array = array( 'a' => 'a', 'b' => 'b', 'c' => array( 0 => 0, 1 => 1, 2 => 2 ) ); array_multiupdate_from_keys($array, array('c', 1), 'updated'); var_dump($array);
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(3) { ["a"]=> string(1) "a" ["b"]=> string(1) "b" ["c"]=> array(3) { [0]=> int(0) [1]=> string(7) "updated" [2]=> int(2) } }

preferences:
154.02 ms | 404 KiB | 193 Q