} if ( 'post_type' === $menu_item->type && 'page' === $menu_item->object ) { // Back compat classes for pages to match wp_page_menu(). $classes[] = 'page_item'; $classes[] = 'page-item-' . $menu_item->object_id; $classes[] = 'current_page_item'; } $active_parent_item_ids[] = (int) $menu_item->menu_item_parent; $active_parent_object_ids[] = (int) $menu_item->post_parent; $active_object = $menu_item->object; // If the menu item corresponds to the currently queried post type archive. } elseif ( 'post_type_archive' === $menu_item->type && is_post_type_archive( array( $menu_item->object ) ) ) { $classes[] = 'current-menu-item'; $menu_items[ $key ]->current = true; $_anc_id = (int) $menu_item->db_id; while ( ( $_anc_id = (int) get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) ) && ! in_array( $_anc_id, $active_ancestor_item_ids, true ) ) { $active_ancestor_item_ids[] = $_anc_id; } $active_parent_item_ids[] = (int) $menu_item->menu_item_parent; // If the menu item corresponds to the currently requested URL. } elseif ( 'custom' === $menu_item->object && isset( $_SERVER['HTTP_HOST'] ) ) { $_root_relative_current = untrailingslashit( $_SERVER['REQUEST_URI'] ); // If it's the customize page then it will strip the query var off the URL before entering the comparison block. if ( is_customize_preview() ) { $_root_relative_current = strtok( untrailingslashit( $_SERVER['REQUEST_URI'] ), '?' ); } $current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_root_relative_current ); $raw_item_url = strpos( $menu_item->url, '#' ) ? substr( $menu_item->url, 0, strpos( $menu_item->url, '#' ) ) : $menu_item->url; $item_url = set_url_scheme( untrailingslashit( $raw_item_url ) ); $_indexless_current = untrailingslashit( preg_replace( '/' . preg_quote( $wp_rewrite->index, '/' ) . '$/', '', $current_url ) ); $matches = array( $current_url, urldecode( $current_url ), $_indexless_current, urldecode( $_indexless_current ), $_root_relative_current, urldecode( $_root_relative_current ), ); if ( $raw_item_url && in_array( $item_url, $matches, true ) ) { $classes[] = 'current-menu-item'; $menu_items[ $key ]->current = true; $_anc_id = (int) $menu_item->db_id; while ( ( $_anc_id = (int) get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) ) && ! in_array( $_anc_id, $active_ancestor_item_ids, true ) ) { $active_ancestor_item_ids[] = $_anc_id; } if ( in_array( home_url(), array( untrailingslashit( $current_url ), untrailingslashit( $_indexless_current ) ), true ) ) { // Back compat for home link to match wp_page_menu(). $classes[] = 'current_page_item'; } $active_parent_item_ids[] = (int) $menu_item->menu_item_parent; $active_parent_object_ids[] = (int) $menu_item->post_parent; $active_object = $menu_item->object; // Give front page item the 'current-menu-item' class when extra query arguments are involved. } elseif ( $item_url == $front_page_url && is_front_page() ) { $classes[] = 'current-menu-item'; } if ( untrailingslashit( $item_url ) == home_url() ) { $classes[] = 'menu-item-home'; } } // Back-compat with wp_page_menu(): add "current_page_parent" to static home page link for any non-page query. if ( ! empty( $home_page_id ) && 'post_type' === $menu_item->type && empty( $wp_query->is_page ) && $home_page_id == $menu_item->object_id ) { $classes[] = 'current_page_parent'; } $menu_items[ $key ]->classes = array_unique( $classes ); } $active_ancestor_item_ids = array_filter( array_unique( $active_ancestor_item_ids ) ); $active_parent_item_ids = array_filter( array_unique( $active_parent_item_ids ) ); $active_parent_object_ids = array_filter( array_unique( $active_parent_object_ids ) ); // Set parent's class. foreach ( (array) $menu_items as $key => $parent_item ) { $classes = (array) $parent_item->classes; $menu_items[ $key ]->current_item_ancestor = false; $menu_items[ $key ]->current_item_parent = false; if ( isset( $parent_item->type ) && ( // Ancestral post object. ( 'post_type' === $parent_item->type && ! empty( $queried_object->post_type ) && is_post_type_hierarchical( $queried_object->post_type ) && in_array( (int) $parent_item->object_id, $queried_object->ancestors, true ) && $parent_item->object != $queried_object->ID ) || // Ancestral term. ( 'taxonomy' === $parent_item->type && isset( $possible_taxonomy_ancestors[ $parent_item->object ] ) && in_array( (int) $parent_item->object_id, $possible_taxonomy_ancestors[ $parent_item->object ], true ) && ( ! isset( $queried_object->term_id ) || $parent_item->object_id != $queried_object->term_id ) ) ) ) { if ( ! empty( $queried_object->taxonomy ) ) { $classes[] = 'current-' . $queried_object->taxonomy . '-ancestor'; } else { $classes[] = 'current-' . $queried_object->post_type . '-ancestor'; } } if ( in_array( (int) $parent_item->db_id, $active_ancestor_item_ids, true ) ) { $classes[] = 'current-menu-ancestor'; $menu_items[ $key ]->current_item_ancestor = true; } if ( in_array( (int) $parent_item->db_id, $active_parent_item_ids, true ) ) { $classes[] = 'current-menu-parent'; $menu_items[ $key ]->current_item_parent = true; } if ( in_array( (int) $parent_item->object_id, $active_parent_object_ids, true ) ) { $classes[] = 'current-' . $active_object . '-parent'; } if ( 'post_type' === $parent_item->type && 'page' === $parent_item->object ) { // Back compat classes for pages to match wp_page_menu(). if ( in_array( 'current-menu-parent', $classes, true ) ) { $classes[] = 'current_page_parent'; } if ( in_array( 'current-menu-ancestor', $classes, true ) ) { $classes[] = 'current_page_ancestor'; } } $menu_items[ $key ]->classes = array_unique( $classes ); } } /** * Retrieves the HTML list content for nav menu items. * * @uses Walker_Nav_Menu to create HTML list content. * @since 3.0.0 * * @param array $items The menu items, sorted by each menu item's menu order. * @param int $depth Depth of the item in reference to parents. * @param stdClass $args An object containing wp_nav_menu() arguments. * @return string The HTML list content for the menu items. */ function walk_nav_menu_tree( $items, $depth, $args ) { $walker = ( empty( $args->walker ) ) ? new Walker_Nav_Menu() : $args->walker; return $walker->walk( $items, $depth, $args ); } /** * Prevents a menu item ID from being used more than once. * * @since 3.0.1 * @access private * * @param string $id * @param object $item * @return string */ function _nav_menu_item_id_use_once( $id, $item ) { static $_used_ids = array(); if ( in_array( $item->ID, $_used_ids, true ) ) { return ''; } $_used_ids[] = $item->ID; return $id; } /** * Remove the `menu-item-has-children` class from bottom level menu items. * * This runs on the {@see 'nav_menu_css_class'} filter. The $args and $depth * parameters were added after the filter was originally introduced in * WordPress 3.0.0 so this needs to allow for cases in which the filter is * called without them. * * @see https://core.trac.wordpress.org/ticket/56926. * * @since 6.2.0 * * @param string[] $classes Array of the CSS classes that are applied to the menu item's `
  • ` element. * @param WP_Post $menu_item The current menu item object. * @param stdClass|false $args An object of wp_nav_menu() arguments. Default false ($args unspecified when filter is called). * @param int|false $depth Depth of menu item. Default false ($depth unspecified when filter is called). * @return string[] Modified nav menu classes. */ function wp_nav_menu_remove_menu_item_has_children_class( $classes, $menu_item, $args = false, $depth = false ) { /* * Account for the filter being called without the $args or $depth parameters. * * This occurs when a theme uses a custom walker calling the `nav_menu_css_class` * filter using the legacy formats prior to the introduction of the $args and * $depth parameters. * * As both of these parameters are required for this function to determine * both the current and maximum depth of the menu tree, the function does not * attempt to remove the `menu-item-has-children` class if these parameters * are not set. */ if ( false === $depth || false === $args ) { return $classes; } // Max-depth is 1-based. $max_depth = isset( $args->depth ) ? (int) $args->depth : 0; // Depth is 0-based so needs to be increased by one. $depth = $depth + 1; // Complete menu tree is displayed. if ( 0 === $max_depth ) { return $classes; } /* * Remove the `menu-item-has-children` class from bottom level menu items. * -1 is used to display all menu items in one level so the class should * be removed from all menu items. */ if ( -1 === $max_depth || $depth >= $max_depth ) { $classes = array_diff( $classes, array( 'menu-item-has-children' ) ); } return $classes; }