SimplePie::sort_items( SimplePie\Item $a, SimplePie\Item $b ): SimplePie\-1|SimplePie\1

3336    public static function sort_items(Item $a, Item $b)3337    {3338        $a_date = $a->get_date('U');3339        $b_date = $b->get_date('U');3340        if ($a_date && $b_date) {3341            return $a_date > $b_date ? -1 : 1;3342        }3343        // Sort items without dates to the top.3344        if ($a_date) {3345            return 1;3346        }3347        if ($b_date) {3348            return -1;3349        }3350        return 0;3351    }