post_parent ) : get_adjacent_post( false, '', true ); $next = get_adjacent_post( false, '', false ); if ( ! $next && ! $previous ) return; } // Don't print empty markup in archives if there's only one page. if ( $wp_query->max_num_pages < 2 && ( is_front_page() || is_archive() || is_search() ) ) return; $nav_class = 'site-navigation paging-navigation'; if ( is_single() ) $nav_class = 'site-navigation post-navigation'; /*