AS3CF_Filter::maybe_update_post_cache PHP Метод

    protected function maybe_update_post_cache($to_cache)
    {
        global $post;
        if (!isset($post->ID) || empty($to_cache)) {
            return;
        }
        $urls = array_merge($this->get_post_cache(), $to_cache);
        update_post_meta($post->ID, 'amazonS3_cache', $urls);
    }