X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/6c8f14c09105d0afa4c1574215c59b5021040e76..61343b82c4f0da4c68e4c6373daafff4a81efdd1:/wp-includes/nav-menu.php?ds=sidebyside

diff --git a/wp-includes/nav-menu.php b/wp-includes/nav-menu.php
index 7a5da9e2..794f4b2d 100644
--- a/wp-includes/nav-menu.php
+++ b/wp-includes/nav-menu.php
@@ -127,7 +127,8 @@ function get_registered_nav_menus() {
  */
 
 function get_nav_menu_locations() {
-	return get_theme_mod( 'nav_menu_locations' );
+	$locations = get_theme_mod( 'nav_menu_locations' );
+	return ( is_array( $locations ) ) ? $locations : array();
 }
 
 /**
@@ -188,6 +189,14 @@ function wp_delete_nav_menu( $menu ) {
 
 	$result = wp_delete_term( $menu->term_id, 'nav_menu' );
 
+	// Remove this menu from any locations.
+	$locations = get_theme_mod( 'nav_menu_locations' );
+	foreach ( (array) $locations as $location => $menu_id ) {
+		if ( $menu_id == $menu->term_id )
+			$locations[ $location ] = 0;
+	}
+	set_theme_mod( 'nav_menu_locations', $locations );
+
 	if ( $result && !is_wp_error($result) )
 		do_action( 'wp_delete_nav_menu', $menu->term_id );
 
@@ -327,13 +336,12 @@ function wp_update_nav_menu_item( $menu_id = 0, $menu_item_db_id = 0, $menu_item
 			$original_title = $original_object->post_title;
 		}
 
-		if ( empty( $args['menu-item-title'] ) || $args['menu-item-title'] == $original_title ) {
+		if ( $args['menu-item-title'] == $original_title )
 			$args['menu-item-title'] = '';
 
-			// hack to get wp to create a post object when too many properties are empty
-			if ( empty( $args['menu-item-description'] ) )
-				$args['menu-item-description'] = ' ';
-		}
+		// hack to get wp to create a post object when too many properties are empty
+		if ( '' ==  $args['menu-item-title'] && '' == $args['menu-item-description'] )
+			$args['menu-item-description'] = ' ';
 	}
 
 	// Populate the menu item object
@@ -633,6 +641,9 @@ function wp_setup_nav_menu_item( $menu_item ) {
 			$menu_item->object = $object->name;
 			$menu_item->type_label = $object->labels->singular_name;
 
+			if ( '' === $menu_item->post_title )
+				$menu_item->post_title = sprintf( __( '#%d (no title)' ), $menu_item->ID );
+
 			$menu_item->title = $menu_item->post_title;
 			$menu_item->url = get_permalink( $menu_item->ID );
 			$menu_item->target = '';