public static function recursiveArrayDiffAssoc($array1, $array2)
{
$difference = [];
foreach ($array1 as $key => $value) {
if (is_array($value)) {
if (!isset($array2[$key]) || !is_array($array2[$key])) {
$difference[$key] = $value;
} else {
$new_diff = \Metaclassing\Utility::recursiveArrayDiffAssoc($value, $array2[$key]);
if (!empty($new_diff)) {
$difference[$key] = $new_diff;
}
}
} elseif (!array_key_exists($key, $array2) || $array2[$key] !== $value) {
$difference[$key] = $value;
}
}
return $difference;
}
