Custom Warmup links

add_filter('swift_performance_warmup_urls_to_save', 'my_custom_warmup_likns');

function my_custom_warmup_likns(){
            global $wpdb;

            $urls = $post_urls = $menu_elements = $archives = $already_added = array();

            set_transient('swift_performance_initial_prebuild_links', true, $timeout);

            // Home
            if (Swift_Performance_Cache::is_object_cacheable(home_url())){
                $urls[Swift_Performance::get_warmup_id(home_url())] = trailingslashit(home_url());
            }

            // Post types
            $post_types = array();
            foreach (Swift_Performance::get_post_types(Swift_Performance::get_option('exclude-post-types')) as $post_type){
                $post_types[] = "'{$post_type}'";

                // Archive
                if (Swift_Performance::check_option('cache-archive',1)){
                    $archive = get_post_type_archive_link( $post_type );
                    if ($archive !== false){
                        $url = get_post_type_archive_link( $post_type );
                        if (Swift_Performance_Cache::is_object_cacheable($url)){
                            $archives[Swift_Performance::get_warmup_id($url)] = $url;
                        }
                    }
                }

                // Terms
                if (Swift_Performance::check_option('cache-terms',1)){
                    $taxonomy_objects = get_object_taxonomies( $post_type, 'objects' );
                    foreach ($taxonomy_objects as $key => $value) {
                        $terms = get_terms($key);
                        foreach ( $terms as $term ) {
                            $url = get_term_link( $term );
                            if (Swift_Performance_Cache::is_object_cacheable($url)){
                                $archives[Swift_Performance::get_warmup_id($url)] = $url;
                            }
                        }
                    }
                }

            }

            $menu_item_ids  = $wpdb->get_col("SELECT meta_value FROM {$wpdb->postmeta} LEFT JOIN {$wpdb->posts} ON {$wpdb->posts}.ID = {$wpdb->postmeta}.meta_value WHERE meta_key = '_menu_item_object_id' AND post_type != 'nav_menu_item'");
            $public_post_ids    = $wpdb->get_col("SELECT ID FROM {$wpdb->posts} WHERE post_status = 'publish' AND post_date > '2018-12-31' AND post_type IN(".implode(',', $post_types).") ORDER BY post_date DESC");

            $posts = array_merge((array)$menu_item_ids, (array)$public_post_ids);

            // WPML
            if ((!defined('SWIFT_PERFORMANCE_WPML_WARMUP') || SWIFT_PERFORMANCE_WPML_WARMUP) && function_exists('icl_get_languages') && class_exists('SitePress')){
                if($wpdb->get_var("SHOW TABLES LIKE '{$wpdb->prefix}icl_translations'") == $wpdb->prefix . 'icl_translations') {
                    $translations = $wpdb->get_col("SELECT DISTINCT element_id FROM {$wpdb->prefix}icl_translations WHERE language_code != source_language_code AND source_language_code IS NOT NULL and element_type LIKE 'post_%'");
                    $posts = array_diff($posts, $translations);
                }
                global $sitepress;
                $languages = icl_get_languages('skip_missing=0&orderby=KEY&order=DIR&link_empty_to=str');
                foreach ($languages as $language){
                    $sitepress->switch_lang($language['code'], true);
                    foreach ($posts as $post_id){
                        wp_cache_flush();
                        $permalink = get_permalink($post_id);
                        if (Swift_Performance_Cache::is_object_cacheable($permalink, $post_id)){
                            if (in_array($post_id, $menu_item_ids)){
                                $menu_elements[Swift_Performance::get_warmup_id($permalink)] = $permalink;
                            }
                            else {
                                $post_urls[Swift_Performance::get_warmup_id($permalink)] = $permalink;
                            }
                        }
                    }
                }
            }
            else {
                foreach ($posts as $post_id){
                    wp_cache_flush();
                    $permalink = get_permalink($post_id);
                    if (Swift_Performance_Cache::is_object_cacheable($permalink, $post_id)){
                        if (in_array($post_id, $menu_item_ids)){
                            $menu_elements[Swift_Performance::get_warmup_id($permalink)] = $permalink;
                        }
                        else {
                            $post_urls[Swift_Performance::get_warmup_id($permalink)] = $permalink;
                        }
                    }
                }
            }

            $urls = array_merge($urls, $menu_elements, $archives, $post_urls);

            // Limit pages
            $urls = array_slice($urls, 0, SWIFT_PERFORMANCE_WARMUP_LIMIT);

            return $urls;
        }