<?php krsort(array &$array, int $flags = SORT_REGULAR): true
<?php if (! array_is_list($array)) { $descending ? krsort($array, $options) : ksort($array, $options); } else { $descending
<?php { $items = $this->items; $descending ? krsort($items, $options) : ksort($items, $options); return new static($items); }