<?php if ( is_active_sidebar( 'footer' ) ) : $widgets = get_option( 'sidebars_widgets' ); $widget_count = count( $widgets['footer'] ); ?> <div class="sidebar sidebar-footer active-<?php echo absint($widget_count); ?>" id="sidebar-footer"> <?php dynamic_sidebar( 'footer' ); ?> </div> <?php endif;