Sticky Tag Post

// Sticky Tag Post / Kiri Vadivelu / 2026

add_action('pre_get_posts', function($query) {

    if (!is_admin() && $query->is_main_query() && is_tag()) {

        $sticky_posts = get_option('sticky_posts');

        if (!empty($sticky_posts)) {

            add_filter('posts_orderby', function($orderby, $query) use ($sticky_posts) {

                if (!is_admin() && $query->is_main_query() && is_tag()) {

                    global $wpdb;

                    $sticky_list = implode(',', array_map('intval', $sticky_posts));

                    return "FIELD({$wpdb->posts}.ID, {$sticky_list}) DESC, {$orderby}";

                }

                return $orderby;

            }, 10, 2);

        }

    }

});