item_spacing) && 'discard' === $args->item_spacing) { $t = ''; $n = ''; } else { $t = "\t"; $n = "\n"; } $indent = str_repeat($t, $depth); // Dropdown menu classes $classes = array('dropdown-menu'); $class_names = join(' ', apply_filters('nav_menu_submenu_css_class', $classes, $args, $depth)); $class_names = $class_names ? ' class="' . esc_attr($class_names) . '"' : ''; $output .= "{$n}{$indent}{$n}"; } /** * Starts the element output. * * @param string $output Used to append additional content (passed by reference). * @param WP_Post $item Menu item data object. * @param int $depth Depth of menu item. Used for padding. * @param stdClass $args An object of wp_nav_menu() arguments. * @param int $id Current item ID. */ public function start_el(&$output, $item, $depth = 0, $args = null, $id = 0) { if (isset($args->item_spacing) && 'discard' === $args->item_spacing) { $t = ''; $n = ''; } else { $t = "\t"; $n = "\n"; } $indent = ($depth) ? str_repeat($t, $depth) : ''; $classes = empty($item->classes) ? array() : (array) $item->classes; $classes[] = 'menu-item-' . $item->ID; // Add Bootstrap classes based on depth if ($depth === 0) { $classes[] = 'nav-item'; } // Check if menu item has children $has_children = in_array('menu-item-has-children', $classes); if ($has_children && $depth === 0) { $classes[] = 'dropdown'; } $class_names = join(' ', apply_filters('nav_menu_css_class', array_filter($classes), $item, $args, $depth)); $class_names = $class_names ? ' class="' . esc_attr($class_names) . '"' : ''; $id = apply_filters('nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args, $depth); $id = $id ? ' id="' . esc_attr($id) . '"' : ''; // Output
  • if ($depth === 0) { $output .= $indent . ''; } else { $output .= $indent . ''; } // Link attributes $atts = array(); $atts['title'] = !empty($item->attr_title) ? $item->attr_title : ''; $atts['target'] = !empty($item->target) ? $item->target : ''; $atts['rel'] = !empty($item->xfn) ? $item->xfn : ''; $atts['href'] = !empty($item->url) ? $item->url : ''; // Add Bootstrap nav-link class for depth 0 if ($depth === 0) { $atts['class'] = 'nav-link'; } else { $atts['class'] = 'dropdown-item'; } // Add dropdown-toggle class and attributes for parent items if ($has_children && $depth === 0) { $atts['class'] .= ' dropdown-toggle'; // Only add data-bs-toggle if no real URL (allows click navigation on desktop) // CSS hover handles showing dropdown, data-bs-toggle only needed for mobile $url = !empty($item->url) ? $item->url : ''; if (empty($url) || $url === '#' || $url === '#!') { $atts['data-bs-toggle'] = 'dropdown'; } $atts['aria-expanded'] = 'false'; $atts['role'] = 'button'; } // Add active class for current menu item if (in_array('current-menu-item', $classes) || in_array('current-menu-parent', $classes)) { $atts['class'] .= ' active'; $atts['aria-current'] = 'page'; } $atts = apply_filters('nav_menu_link_attributes', $atts, $item, $args, $depth); $attributes = ''; foreach ($atts as $attr => $value) { if (!empty($value)) { $value = ('href' === $attr) ? esc_url($value) : esc_attr($value); $attributes .= ' ' . $attr . '="' . $value . '"'; } } $title = apply_filters('the_title', $item->title, $item->ID); $title = apply_filters('nav_menu_item_title', $title, $item, $args, $depth); // Build the link $item_output = $args->before; $item_output .= ''; $item_output .= $args->link_before . $title . $args->link_after; $item_output .= ''; $item_output .= $args->after; $output .= apply_filters('walker_nav_menu_start_el', $item_output, $item, $depth, $args); } /** * Traverse elements to create list from elements. * * Display one element if the element doesn't have any children otherwise, * display the element and its children. Will only traverse up to the max * depth and no ignore elements under that depth. It is possible to set the * max depth to include all depths, see walk() method. * * This method should not be called directly, use the walk() method instead. * * @param object $element Data object. * @param array $children_elements List of elements to continue traversing (passed by reference). * @param int $max_depth Max depth to traverse. * @param int $depth Depth of current element. * @param array $args An array of arguments. * @param string $output Used to append additional content (passed by reference). */ public function display_element($element, &$children_elements, $max_depth, $depth, $args, &$output) { if (!$element) { return; } $id_field = $this->db_fields['id']; // Display this element if (is_object($args[0])) { $args[0]->has_children = !empty($children_elements[$element->$id_field]); } parent::display_element($element, $children_elements, $max_depth, $depth, $args, $output); } /** * Menu Fallback * * If this function is assigned to the wp_nav_menu's fallback_cb option * and a menu has not been assigned to the theme location in the WordPress * menu manager the function will display a basic menu of all published pages. * * @param array $args passed from the wp_nav_menu function. */ public static function fallback($args) { if (current_user_can('edit_theme_options')) { echo ''; } } }