X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/4f9d63e13cd8c6e275797c75b401b074b82937bc..f8ce8fee333796f41d394479265f31b87bd6e436:/wp-includes/nav-menu-template.php

diff --git a/wp-includes/nav-menu-template.php b/wp-includes/nav-menu-template.php
index d2fb493b..b9c05870 100644
--- a/wp-includes/nav-menu-template.php
+++ b/wp-includes/nav-menu-template.php
@@ -71,11 +71,15 @@ class Walker_Nav_Menu extends Walker {
 		$class_names = $value = '';
 
 		$classes = empty( $item->classes ) ? array() : (array) $item->classes;
+		$classes[] = 'menu-item-' . $item->ID;
 
 		$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) );
 		$class_names = ' class="' . esc_attr( $class_names ) . '"';
 
-		$output .= $indent . '<li id="menu-item-'. $item->ID . '"' . $value . $class_names .'>';
+		$id = apply_filters( 'nav_menu_item_id', 'menu-item-'. $item->ID, $item, $args );
+		$id = strlen( $id ) ? ' id="' . esc_attr( $id ) . '"' : '';
+
+		$output .= $indent . '<li' . $id . $value . $class_names .'>';
 
 		$attributes  = ! empty( $item->attr_title ) ? ' title="'  . esc_attr( $item->attr_title ) .'"' : '';
 		$attributes .= ! empty( $item->target )     ? ' target="' . esc_attr( $item->target     ) .'"' : '';
@@ -351,7 +355,9 @@ function _wp_menu_item_classes_by_context( &$menu_items ) {
 		} elseif ( 'custom' == $menu_item->object ) {
 			$current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
 			$item_url = strpos( $menu_item->url, '#' ) ? substr( $menu_item->url, 0, strpos( $menu_item->url, '#' ) ) : $menu_item->url;
-			if ( $item_url == $current_url ) {
+			$_indexless_current = preg_replace( '/index.php$/', '', $current_url );
+			
+			if ( in_array( $item_url, array( $current_url, $_indexless_current ) ) ) {
 				$classes[] = 'current-menu-item';
 				$_anc_id = (int) $menu_item->db_id;
 
@@ -362,8 +368,7 @@ function _wp_menu_item_classes_by_context( &$menu_items ) {
 					$active_ancestor_item_ids[] = $_anc_id;
 				}
 
-				if ( untrailingslashit($current_url) == home_url() ) {
-					$classes[] = 'menu-item-home';
+				if ( in_array( home_url(), array( untrailingslashit( $current_url ), untrailingslashit( $_indexless_current ) ) ) ) {
 					// Back compat for home limk to match wp_page_menu()
 					$classes[] = 'current_page_item';
 				}
@@ -371,6 +376,9 @@ function _wp_menu_item_classes_by_context( &$menu_items ) {
 				$active_parent_object_ids[] = (int) $menu_item->post_parent;
 				$active_object = $menu_item->object;
 			}
+			
+			if ( untrailingslashit($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
@@ -433,7 +441,7 @@ function _wp_menu_item_classes_by_context( &$menu_items ) {
  * Retrieve the HTML list content for nav menu items.
  *
  * @uses Walker_Nav_Menu to create HTML list content.
- * @since 2.1.0
+ * @since 3.0.0
  * @see Walker::walk() for parameters and return description.
  */
 function walk_nav_menu_tree( $items, $depth, $r ) {
@@ -443,4 +451,19 @@ function walk_nav_menu_tree( $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
+ */
+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;
+}
+add_filter( 'nav_menu_item_id', '_nav_menu_item_id_use_once', 10, 2 );
+
 ?>