// start_lvl()
• // start_el()
  // end_el()
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  // end_lvl() */ class Walker_Nav_Primary extends Walker_Nav_menu { function start_lvl( &$output, $depth = 0, $args = array() ){ //ul $indent = str_repeat("\t",$depth); $submenu = ($depth > 0) ? ' sub-menu' : ''; $output .= "\n$indent
  \n"; } function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ){ //li a span $indent = ( $depth ) ? str_repeat("\t",$depth) : ''; $li_attributes = ''; $class_names = $value = ''; $classes = empty( $item->classes ) ? array() : (array) $item->classes; $classes[] = ($args->walker->has_children) ? 'dropdown' : ''; $classes[] = ($item->current || $item->current_item_ancestor) ? 'active' : ''; $classes[] = 'menu-item-' . $item->ID; if( $depth && $args->walker->has_children ){ $classes[] = 'dropdown-submenu'; } $class_names = join(' ', apply_filters('nav_menu_css_class', array_filter( $classes ), $item, $args ) ); $class_names = ' class="' . esc_attr($class_names) . '"'; $id = apply_filters('nav_menu_item_id', 'menu-item-'.$item->ID, $item, $args); $id = strlen( $id ) ? ' id="' . esc_attr( $id ) . '"' : ''; $output .= $indent . ''; $attributes = ! empty( $item->attr_title ) ? ' title="' . esc_attr($item->attr_title) . '"' : ''; $attributes .= ! empty( $item->target ) ? ' target="' . esc_attr($item->target) . '"' : ''; $attributes .= ! empty( $item->xfn ) ? ' rel="' . esc_attr($item->xfn) . '"' : ''; $attributes .= ! empty( $item->url ) ? ' href="' . esc_attr($item->url) . '"' : ''; $attributes .= ( $args->walker->has_children ) ? ' class="dropdown-toggle" data-toggle="dropdown"' : ''; $item_output = $args->before; $item_output .= ''; $item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after; $item_output .= ( $depth == 0 && $args->walker->has_children ) ? ' ' : ''; $item_output .= $args->after; $output .= apply_filters ( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args ); } /* function end_el(){ // closing li a span } function end_lvl(){ // closing ul } */ }