protected function comments_bubble($post_id, $pending_comments)
    {
        $pending_phrase = sprintf(__('%s pending'), number_format($pending_comments));

        if ($pending_comments) {
            echo '<strong>';
        }

        echo "<a href='" . esc_url(add_query_arg('p', $post_id, admin_url('edit-comments.php'))) . "' title='" . esc_attr($pending_phrase) . "' class='post-com-count'><span class='comment-count'>" . number_format_i18n(get_comments_number()) . "</span></a>";

        if ($pending_comments) {
            echo '</strong>';
        }
    }