<?php
$arr = array("A" => "aa", "B" => ["A" => "aaa", "B" => "bb"], "C" => "cc", "D" => ["E" =>"ee"]);
function array_filter_recursive(array &$array, callable $callback) {
foreach ($array as $key => &$value) {
if ($callback($key, $value)) unset($array[$key]);
else if (is_array($value)) array_filter_recursive($value, $callback);
}
}
function sanitizedArray(&$arr, $restricted, $keys = false) {
foreach($restricted as $val) {
array_filter_recursive($arr, function($k, $v) use ($val, $keys) {return $keys ? ($val === $k) : ($val === $v);});
}
}
sanitizedArray($arr, ["A","E", "D"], true);
print_r($arr);
preferences:
54.76 ms | 402 KiB | 5 Q