553 lines
		
	
	
	
		
			20 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
		
		
			
		
	
	
			553 lines
		
	
	
	
		
			20 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
|  | <?php | ||
|  | /** | ||
|  |  * Nav Menu API: Template functions | ||
|  |  * | ||
|  |  * @package WordPress | ||
|  |  * @subpackage Nav_Menus | ||
|  |  * @since 3.0.0 | ||
|  |  */ | ||
|  | 
 | ||
|  | /** Walker_Nav_Menu class */ | ||
|  | require_once ABSPATH . WPINC . '/class-walker-nav-menu.php'; | ||
|  | 
 | ||
|  | /** | ||
|  |  * Displays a navigation menu. | ||
|  |  * | ||
|  |  * @since 3.0.0 | ||
|  |  * @since 4.7.0 Added the `item_spacing` argument. | ||
|  |  * | ||
|  |  * @staticvar array $menu_id_slugs | ||
|  |  * | ||
|  |  * @param array $args { | ||
|  |  *     Optional. Array of nav menu arguments. | ||
|  |  * | ||
|  |  *     @type int|string|WP_Term $menu            Desired menu. Accepts a menu ID, slug, name, or object. Default empty. | ||
|  |  *     @type string             $menu_class      CSS class to use for the ul element which forms the menu. Default 'menu'. | ||
|  |  *     @type string             $menu_id         The ID that is applied to the ul element which forms the menu. | ||
|  |  *                                               Default is the menu slug, incremented. | ||
|  |  *     @type string             $container       Whether to wrap the ul, and what to wrap it with. Default 'div'. | ||
|  |  *     @type string             $container_class Class that is applied to the container. Default 'menu-{menu slug}-container'. | ||
|  |  *     @type string             $container_id    The ID that is applied to the container. Default empty. | ||
|  |  *     @type callable|bool      $fallback_cb     If the menu doesn't exists, a callback function will fire. | ||
|  |  *                                               Default is 'wp_page_menu'. Set to false for no fallback. | ||
|  |  *     @type string             $before          Text before the link markup. Default empty. | ||
|  |  *     @type string             $after           Text after the link markup. Default empty. | ||
|  |  *     @type string             $link_before     Text before the link text. Default empty. | ||
|  |  *     @type string             $link_after      Text after the link text. Default empty. | ||
|  |  *     @type bool               $echo            Whether to echo the menu or return it. Default true. | ||
|  |  *     @type int                $depth           How many levels of the hierarchy are to be included. 0 means all. Default 0. | ||
|  |  *     @type object             $walker          Instance of a custom walker class. Default empty. | ||
|  |  *     @type string             $theme_location  Theme location to be used. Must be registered with register_nav_menu() | ||
|  |  *                                               in order to be selectable by the user. | ||
|  |  *     @type string             $items_wrap      How the list items should be wrapped. Default is a ul with an id and class. | ||
|  |  *                                               Uses printf() format with numbered placeholders. | ||
|  |  *     @type string             $item_spacing    Whether to preserve whitespace within the menu's HTML. Accepts 'preserve' or 'discard'. Default 'preserve'. | ||
|  |  * } | ||
|  |  * @return string|false|void Menu output if $echo is false, false if there are no items or no menu was found. | ||
|  |  */ | ||
|  | function wp_nav_menu( $args = array() ) { | ||
|  | 	static $menu_id_slugs = array(); | ||
|  | 
 | ||
|  | 	$defaults = array( 'menu' => '', 'container' => 'div', 'container_class' => '', 'container_id' => '', 'menu_class' => 'menu', 'menu_id' => '', | ||
|  | 	'echo' => true, 'fallback_cb' => 'wp_page_menu', 'before' => '', 'after' => '', 'link_before' => '', 'link_after' => '', 'items_wrap' => '<ul id="%1$s" class="%2$s">%3$s</ul>', 'item_spacing' => 'preserve', | ||
|  | 	'depth' => 0, 'walker' => '', 'theme_location' => '' ); | ||
|  | 
 | ||
|  | 	$args = wp_parse_args( $args, $defaults ); | ||
|  | 
 | ||
|  | 	if ( ! in_array( $args['item_spacing'], array( 'preserve', 'discard' ), true ) ) { | ||
|  | 		// invalid value, fall back to default.
 | ||
|  | 		$args['item_spacing'] = $defaults['item_spacing']; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Filters the arguments used to display a navigation menu. | ||
|  | 	 * | ||
|  | 	 * @since 3.0.0 | ||
|  | 	 * | ||
|  | 	 * @see wp_nav_menu() | ||
|  | 	 * | ||
|  | 	 * @param array $args Array of wp_nav_menu() arguments. | ||
|  | 	 */ | ||
|  | 	$args = apply_filters( 'wp_nav_menu_args', $args ); | ||
|  | 	$args = (object) $args; | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Filters whether to short-circuit the wp_nav_menu() output. | ||
|  | 	 * | ||
|  | 	 * Returning a non-null value to the filter will short-circuit | ||
|  | 	 * wp_nav_menu(), echoing that value if $args->echo is true, | ||
|  | 	 * returning that value otherwise. | ||
|  | 	 * | ||
|  | 	 * @since 3.9.0 | ||
|  | 	 * | ||
|  | 	 * @see wp_nav_menu() | ||
|  | 	 * | ||
|  | 	 * @param string|null $output Nav menu output to short-circuit with. Default null. | ||
|  | 	 * @param stdClass    $args   An object containing wp_nav_menu() arguments. | ||
|  | 	 */ | ||
|  | 	$nav_menu = apply_filters( 'pre_wp_nav_menu', null, $args ); | ||
|  | 
 | ||
|  | 	if ( null !== $nav_menu ) { | ||
|  | 		if ( $args->echo ) { | ||
|  | 			echo $nav_menu; | ||
|  | 			return; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		return $nav_menu; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// Get the nav menu based on the requested menu
 | ||
|  | 	$menu = wp_get_nav_menu_object( $args->menu ); | ||
|  | 
 | ||
|  | 	// Get the nav menu based on the theme_location
 | ||
|  | 	if ( ! $menu && $args->theme_location && ( $locations = get_nav_menu_locations() ) && isset( $locations[ $args->theme_location ] ) ) | ||
|  | 		$menu = wp_get_nav_menu_object( $locations[ $args->theme_location ] ); | ||
|  | 
 | ||
|  | 	// get the first menu that has items if we still can't find a menu
 | ||
|  | 	if ( ! $menu && !$args->theme_location ) { | ||
|  | 		$menus = wp_get_nav_menus(); | ||
|  | 		foreach ( $menus as $menu_maybe ) { | ||
|  | 			if ( $menu_items = wp_get_nav_menu_items( $menu_maybe->term_id, array( 'update_post_term_cache' => false ) ) ) { | ||
|  | 				$menu = $menu_maybe; | ||
|  | 				break; | ||
|  | 			} | ||
|  | 		} | ||
|  | 	} | ||
|  | 
 | ||
|  | 	if ( empty( $args->menu ) ) { | ||
|  | 		$args->menu = $menu; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// If the menu exists, get its items.
 | ||
|  | 	if ( $menu && ! is_wp_error($menu) && !isset($menu_items) ) | ||
|  | 		$menu_items = wp_get_nav_menu_items( $menu->term_id, array( 'update_post_term_cache' => false ) ); | ||
|  | 
 | ||
|  | 	/* | ||
|  | 	 * If no menu was found: | ||
|  | 	 *  - Fall back (if one was specified), or bail. | ||
|  | 	 * | ||
|  | 	 * If no menu items were found: | ||
|  | 	 *  - Fall back, but only if no theme location was specified. | ||
|  | 	 *  - Otherwise, bail. | ||
|  | 	 */ | ||
|  | 	if ( ( !$menu || is_wp_error($menu) || ( isset($menu_items) && empty($menu_items) && !$args->theme_location ) ) | ||
|  | 		&& isset( $args->fallback_cb ) && $args->fallback_cb && is_callable( $args->fallback_cb ) ) | ||
|  | 			return call_user_func( $args->fallback_cb, (array) $args ); | ||
|  | 
 | ||
|  | 	if ( ! $menu || is_wp_error( $menu ) ) | ||
|  | 		return false; | ||
|  | 
 | ||
|  | 	$nav_menu = $items = ''; | ||
|  | 
 | ||
|  | 	$show_container = false; | ||
|  | 	if ( $args->container ) { | ||
|  | 		/** | ||
|  | 		 * Filters the list of HTML tags that are valid for use as menu containers. | ||
|  | 		 * | ||
|  | 		 * @since 3.0.0 | ||
|  | 		 * | ||
|  | 		 * @param array $tags The acceptable HTML tags for use as menu containers. | ||
|  | 		 *                    Default is array containing 'div' and 'nav'. | ||
|  | 		 */ | ||
|  | 		$allowed_tags = apply_filters( 'wp_nav_menu_container_allowedtags', array( 'div', 'nav' ) ); | ||
|  | 		if ( is_string( $args->container ) && in_array( $args->container, $allowed_tags ) ) { | ||
|  | 			$show_container = true; | ||
|  | 			$class = $args->container_class ? ' class="' . esc_attr( $args->container_class ) . '"' : ' class="menu-'. $menu->slug .'-container"'; | ||
|  | 			$id = $args->container_id ? ' id="' . esc_attr( $args->container_id ) . '"' : ''; | ||
|  | 			$nav_menu .= '<'. $args->container . $id . $class . '>'; | ||
|  | 		} | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// Set up the $menu_item variables
 | ||
|  | 	_wp_menu_item_classes_by_context( $menu_items ); | ||
|  | 
 | ||
|  | 	$sorted_menu_items = $menu_items_with_children = array(); | ||
|  | 	foreach ( (array) $menu_items as $menu_item ) { | ||
|  | 		$sorted_menu_items[ $menu_item->menu_order ] = $menu_item; | ||
|  | 		if ( $menu_item->menu_item_parent ) | ||
|  | 			$menu_items_with_children[ $menu_item->menu_item_parent ] = true; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// Add the menu-item-has-children class where applicable
 | ||
|  | 	if ( $menu_items_with_children ) { | ||
|  | 		foreach ( $sorted_menu_items as &$menu_item ) { | ||
|  | 			if ( isset( $menu_items_with_children[ $menu_item->ID ] ) ) | ||
|  | 				$menu_item->classes[] = 'menu-item-has-children'; | ||
|  | 		} | ||
|  | 	} | ||
|  | 
 | ||
|  | 	unset( $menu_items, $menu_item ); | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Filters the sorted list of menu item objects before generating the menu's HTML. | ||
|  | 	 * | ||
|  | 	 * @since 3.1.0 | ||
|  | 	 * | ||
|  | 	 * @param array    $sorted_menu_items The menu items, sorted by each menu item's menu order. | ||
|  | 	 * @param stdClass $args              An object containing wp_nav_menu() arguments. | ||
|  | 	 */ | ||
|  | 	$sorted_menu_items = apply_filters( 'wp_nav_menu_objects', $sorted_menu_items, $args ); | ||
|  | 
 | ||
|  | 	$items .= walk_nav_menu_tree( $sorted_menu_items, $args->depth, $args ); | ||
|  | 	unset($sorted_menu_items); | ||
|  | 
 | ||
|  | 	// Attributes
 | ||
|  | 	if ( ! empty( $args->menu_id ) ) { | ||
|  | 		$wrap_id = $args->menu_id; | ||
|  | 	} else { | ||
|  | 		$wrap_id = 'menu-' . $menu->slug; | ||
|  | 		while ( in_array( $wrap_id, $menu_id_slugs ) ) { | ||
|  | 			if ( preg_match( '#-(\d+)$#', $wrap_id, $matches ) ) | ||
|  | 				$wrap_id = preg_replace('#-(\d+)$#', '-' . ++$matches[1], $wrap_id ); | ||
|  | 			else | ||
|  | 				$wrap_id = $wrap_id . '-1'; | ||
|  | 		} | ||
|  | 	} | ||
|  | 	$menu_id_slugs[] = $wrap_id; | ||
|  | 
 | ||
|  | 	$wrap_class = $args->menu_class ? $args->menu_class : ''; | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Filters the HTML list content for navigation menus. | ||
|  | 	 * | ||
|  | 	 * @since 3.0.0 | ||
|  | 	 * | ||
|  | 	 * @see wp_nav_menu() | ||
|  | 	 * | ||
|  | 	 * @param string   $items The HTML list content for the menu items. | ||
|  | 	 * @param stdClass $args  An object containing wp_nav_menu() arguments. | ||
|  | 	 */ | ||
|  | 	$items = apply_filters( 'wp_nav_menu_items', $items, $args ); | ||
|  | 	/** | ||
|  | 	 * Filters the HTML list content for a specific navigation menu. | ||
|  | 	 * | ||
|  | 	 * @since 3.0.0 | ||
|  | 	 * | ||
|  | 	 * @see wp_nav_menu() | ||
|  | 	 * | ||
|  | 	 * @param string   $items The HTML list content for the menu items. | ||
|  | 	 * @param stdClass $args  An object containing wp_nav_menu() arguments. | ||
|  | 	 */ | ||
|  | 	$items = apply_filters( "wp_nav_menu_{$menu->slug}_items", $items, $args ); | ||
|  | 
 | ||
|  | 	// Don't print any markup if there are no items at this point.
 | ||
|  | 	if ( empty( $items ) ) | ||
|  | 		return false; | ||
|  | 
 | ||
|  | 	$nav_menu .= sprintf( $args->items_wrap, esc_attr( $wrap_id ), esc_attr( $wrap_class ), $items ); | ||
|  | 	unset( $items ); | ||
|  | 
 | ||
|  | 	if ( $show_container ) | ||
|  | 		$nav_menu .= '</' . $args->container . '>'; | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Filters the HTML content for navigation menus. | ||
|  | 	 * | ||
|  | 	 * @since 3.0.0 | ||
|  | 	 * | ||
|  | 	 * @see wp_nav_menu() | ||
|  | 	 * | ||
|  | 	 * @param string   $nav_menu The HTML content for the navigation menu. | ||
|  | 	 * @param stdClass $args     An object containing wp_nav_menu() arguments. | ||
|  | 	 */ | ||
|  | 	$nav_menu = apply_filters( 'wp_nav_menu', $nav_menu, $args ); | ||
|  | 
 | ||
|  | 	if ( $args->echo ) | ||
|  | 		echo $nav_menu; | ||
|  | 	else | ||
|  | 		return $nav_menu; | ||
|  | } | ||
|  | 
 | ||
|  | /** | ||
|  |  * Add the class property classes for the current context, if applicable. | ||
|  |  * | ||
|  |  * @access private | ||
|  |  * @since 3.0.0 | ||
|  |  * | ||
|  |  * @global WP_Query   $wp_query | ||
|  |  * @global WP_Rewrite $wp_rewrite | ||
|  |  * | ||
|  |  * @param array $menu_items The current menu item objects to which to add the class property information. | ||
|  |  */ | ||
|  | function _wp_menu_item_classes_by_context( &$menu_items ) { | ||
|  | 	global $wp_query, $wp_rewrite; | ||
|  | 
 | ||
|  | 	$queried_object = $wp_query->get_queried_object(); | ||
|  | 	$queried_object_id = (int) $wp_query->queried_object_id; | ||
|  | 
 | ||
|  | 	$active_object = ''; | ||
|  | 	$active_ancestor_item_ids = array(); | ||
|  | 	$active_parent_item_ids = array(); | ||
|  | 	$active_parent_object_ids = array(); | ||
|  | 	$possible_taxonomy_ancestors = array(); | ||
|  | 	$possible_object_parents = array(); | ||
|  | 	$home_page_id = (int) get_option( 'page_for_posts' ); | ||
|  | 
 | ||
|  | 	if ( $wp_query->is_singular && ! empty( $queried_object->post_type ) && ! is_post_type_hierarchical( $queried_object->post_type ) ) { | ||
|  | 		foreach ( (array) get_object_taxonomies( $queried_object->post_type ) as $taxonomy ) { | ||
|  | 			if ( is_taxonomy_hierarchical( $taxonomy ) ) { | ||
|  | 				$term_hierarchy = _get_term_hierarchy( $taxonomy ); | ||
|  | 				$terms = wp_get_object_terms( $queried_object_id, $taxonomy, array( 'fields' => 'ids' ) ); | ||
|  | 				if ( is_array( $terms ) ) { | ||
|  | 					$possible_object_parents = array_merge( $possible_object_parents, $terms ); | ||
|  | 					$term_to_ancestor = array(); | ||
|  | 					foreach ( (array) $term_hierarchy as $anc => $descs ) { | ||
|  | 						foreach ( (array) $descs as $desc ) | ||
|  | 							$term_to_ancestor[ $desc ] = $anc; | ||
|  | 					} | ||
|  | 
 | ||
|  | 					foreach ( $terms as $desc ) { | ||
|  | 						do { | ||
|  | 							$possible_taxonomy_ancestors[ $taxonomy ][] = $desc; | ||
|  | 							if ( isset( $term_to_ancestor[ $desc ] ) ) { | ||
|  | 								$_desc = $term_to_ancestor[ $desc ]; | ||
|  | 								unset( $term_to_ancestor[ $desc ] ); | ||
|  | 								$desc = $_desc; | ||
|  | 							} else { | ||
|  | 								$desc = 0; | ||
|  | 							} | ||
|  | 						} while ( ! empty( $desc ) ); | ||
|  | 					} | ||
|  | 				} | ||
|  | 			} | ||
|  | 		} | ||
|  | 	} elseif ( ! empty( $queried_object->taxonomy ) && is_taxonomy_hierarchical( $queried_object->taxonomy ) ) { | ||
|  | 		$term_hierarchy = _get_term_hierarchy( $queried_object->taxonomy ); | ||
|  | 		$term_to_ancestor = array(); | ||
|  | 		foreach ( (array) $term_hierarchy as $anc => $descs ) { | ||
|  | 			foreach ( (array) $descs as $desc ) | ||
|  | 				$term_to_ancestor[ $desc ] = $anc; | ||
|  | 		} | ||
|  | 		$desc = $queried_object->term_id; | ||
|  | 		do { | ||
|  | 			$possible_taxonomy_ancestors[ $queried_object->taxonomy ][] = $desc; | ||
|  | 			if ( isset( $term_to_ancestor[ $desc ] ) ) { | ||
|  | 				$_desc = $term_to_ancestor[ $desc ]; | ||
|  | 				unset( $term_to_ancestor[ $desc ] ); | ||
|  | 				$desc = $_desc; | ||
|  | 			} else { | ||
|  | 				$desc = 0; | ||
|  | 			} | ||
|  | 		} while ( ! empty( $desc ) ); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	$possible_object_parents = array_filter( $possible_object_parents ); | ||
|  | 
 | ||
|  | 	$front_page_url = home_url(); | ||
|  | 	$front_page_id  = (int) get_option( 'page_on_front' ); | ||
|  | 
 | ||
|  | 	foreach ( (array) $menu_items as $key => $menu_item ) { | ||
|  | 
 | ||
|  | 		$menu_items[$key]->current = false; | ||
|  | 
 | ||
|  | 		$classes = (array) $menu_item->classes; | ||
|  | 		$classes[] = 'menu-item'; | ||
|  | 		$classes[] = 'menu-item-type-' . $menu_item->type; | ||
|  | 		$classes[] = 'menu-item-object-' . $menu_item->object; | ||
|  | 
 | ||
|  | 		// This menu item is set as the 'Front Page'.
 | ||
|  | 		if ( 'post_type' === $menu_item->type && $front_page_id === (int) $menu_item->object_id ) { | ||
|  | 			$classes[] = 'menu-item-home'; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		// if the menu item corresponds to a taxonomy term for the currently-queried non-hierarchical post object
 | ||
|  | 		if ( $wp_query->is_singular && 'taxonomy' == $menu_item->type && in_array( $menu_item->object_id, $possible_object_parents ) ) { | ||
|  | 			$active_parent_object_ids[] = (int) $menu_item->object_id; | ||
|  | 			$active_parent_item_ids[] = (int) $menu_item->db_id; | ||
|  | 			$active_object = $queried_object->post_type; | ||
|  | 
 | ||
|  | 		// if the menu item corresponds to the currently-queried post or taxonomy object
 | ||
|  | 		} elseif ( | ||
|  | 			$menu_item->object_id == $queried_object_id && | ||
|  | 			( | ||
|  | 				( ! empty( $home_page_id ) && 'post_type' == $menu_item->type && $wp_query->is_home && $home_page_id == $menu_item->object_id ) || | ||
|  | 				( 'post_type' == $menu_item->type && $wp_query->is_singular ) || | ||
|  | 				( 'taxonomy' == $menu_item->type && ( $wp_query->is_category || $wp_query->is_tag || $wp_query->is_tax ) && $queried_object->taxonomy == $menu_item->object ) | ||
|  | 			) | ||
|  | 		) { | ||
|  | 			$classes[] = 'current-menu-item'; | ||
|  | 			$menu_items[$key]->current = true; | ||
|  | 			$_anc_id = (int) $menu_item->db_id; | ||
|  | 
 | ||
|  | 			while( | ||
|  | 				( $_anc_id = get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) ) && | ||
|  | 				! in_array( $_anc_id, $active_ancestor_item_ids ) | ||
|  | 			) { | ||
|  | 				$active_ancestor_item_ids[] = $_anc_id; | ||
|  | 			} | ||
|  | 
 | ||
|  | 			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 = get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) ) && | ||
|  | 				! in_array( $_anc_id, $active_ancestor_item_ids ) | ||
|  | 			) { | ||
|  | 				$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 is the customize page then it will strips 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 ) ); | ||
|  | 
 | ||
|  | 			if ( $raw_item_url && in_array( $item_url, array( $current_url, $_indexless_current, $_root_relative_current ) ) ) { | ||
|  | 				$classes[] = 'current-menu-item'; | ||
|  | 				$menu_items[$key]->current = true; | ||
|  | 				$_anc_id = (int) $menu_item->db_id; | ||
|  | 
 | ||
|  | 				while( | ||
|  | 					( $_anc_id = get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) ) && | ||
|  | 					! in_array( $_anc_id, $active_ancestor_item_ids ) | ||
|  | 				) { | ||
|  | 					$active_ancestor_item_ids[] = $_anc_id; | ||
|  | 				} | ||
|  | 
 | ||
|  | 				if ( in_array( home_url(), array( untrailingslashit( $current_url ), untrailingslashit( $_indexless_current ) ) ) ) { | ||
|  | 					// 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 current-menu-item class when extra query arguments 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( $parent_item->object_id, $queried_object->ancestors ) && | ||
|  | 					$parent_item->object != $queried_object->ID | ||
|  | 				) || | ||
|  | 
 | ||
|  | 				// ancestral term
 | ||
|  | 				( | ||
|  | 					'taxonomy' == $parent_item->type && | ||
|  | 					isset( $possible_taxonomy_ancestors[ $parent_item->object ] ) && | ||
|  | 					in_array( $parent_item->object_id, $possible_taxonomy_ancestors[ $parent_item->object ] ) && | ||
|  | 					( | ||
|  | 						! isset( $queried_object->term_id ) || | ||
|  | 						$parent_item->object_id != $queried_object->term_id | ||
|  | 					) | ||
|  | 				) | ||
|  | 			) | ||
|  | 		) { | ||
|  | 			$classes[] = empty( $queried_object->taxonomy ) ? 'current-' . $queried_object->post_type . '-ancestor' : 'current-' . $queried_object->taxonomy . '-ancestor'; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		if ( in_array(  intval( $parent_item->db_id ), $active_ancestor_item_ids ) ) { | ||
|  | 			$classes[] = 'current-menu-ancestor'; | ||
|  | 			$menu_items[$key]->current_item_ancestor = true; | ||
|  | 		} | ||
|  | 		if ( in_array( $parent_item->db_id, $active_parent_item_ids ) ) { | ||
|  | 			$classes[] = 'current-menu-parent'; | ||
|  | 			$menu_items[$key]->current_item_parent = true; | ||
|  | 		} | ||
|  | 		if ( in_array( $parent_item->object_id, $active_parent_object_ids ) ) | ||
|  | 			$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) ) | ||
|  | 				$classes[] = 'current_page_parent'; | ||
|  | 			if ( in_array('current-menu-ancestor', $classes) ) | ||
|  | 				$classes[] = 'current_page_ancestor'; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		$menu_items[$key]->classes = array_unique( $classes ); | ||
|  | 	} | ||
|  | } | ||
|  | 
 | ||
|  | /** | ||
|  |  * Retrieve 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 $r     An object containing wp_nav_menu() arguments. | ||
|  |  * @return string The HTML list content for the menu items. | ||
|  |  */ | ||
|  | function walk_nav_menu_tree( $items, $depth, $r ) { | ||
|  | 	$walker = ( empty($r->walker) ) ? new Walker_Nav_Menu : $r->walker; | ||
|  | 	$args = array( $items, $depth, $r ); | ||
|  | 
 | ||
|  | 	return call_user_func_array( array( $walker, 'walk' ), $args ); | ||
|  | } | ||
|  | 
 | ||
|  | /** | ||
|  |  * Prevents a menu item ID from being used more than once. | ||
|  |  * | ||
|  |  * @since 3.0.1 | ||
|  |  * @access private | ||
|  |  * | ||
|  |  * @staticvar array $used_ids | ||
|  |  * @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 ) ) { | ||
|  | 		return ''; | ||
|  | 	} | ||
|  | 	$_used_ids[] = $item->ID; | ||
|  | 	return $id; | ||
|  | } |