WordPress Version: 6.2
/**
* Sorts the keys of an array alphabetically.
*
* The array is passed by reference so it doesn't get returned
* which mimics the behavior of `ksort()`.
*
* @since 6.0.0
*
* @param array $input_array The array to sort, passed by reference.
*/
function wp_recursive_ksort(&$input_array)
{
foreach ($input_array as &$value) {
if (is_array($value)) {
wp_recursive_ksort($value);
}
}
ksort($input_array);
}