TwItChDW

class roots_nav_walker extends Walker_Nav_Menu {
  function start_el(&$output, $item, $depth, $args) {
    global $wp_query;
      $indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';

      $slug = sanitize_title($item->title);

      $class_names = $value = '';
      $classes = empty( $item->classes ) ? array() : (array) $item->classes;