Changeset 14263 for trunk/wp-includes/nav-menu.php

Timestamp:

04/28/2010 02:04:30 AM (15 years ago)

Author:

nacin

Message:

Verify nav menu items. props filosofo, fixes #13154.

File:

• trunk/wp-includes/nav-menu.php (modified) (4 diffs)

trunk/wp-includes/nav-menu.php

@@ -36 +36 @@
 
 /**
- * Check if navigation menu exists.
- *
- * Returns the menu object, or false if the term doesn't exist.
+ * Check if the given ID is a nav menu.
+ *
+ * Returns true if it is; false otherwise.
  *
  * @since 3.0.0
@@ -55 +55 @@
     
     return false;
+}
+
+/**
+ * Determine whether the given ID is a nav menu item.
+ *
+ * @since 3.0.0
+ *
+ * @param int $menu_item_id The ID of the potential nav menu item.
+ * @return bool Whether the given ID is that of a nav menu item.
+ */
+function is_nav_menu_item( $menu_item_id = 0 ) {
+    return ( ! is_wp_error( $menu_item_id ) && ( 'nav_menu_item' == get_post_type( $menu_item_id ) ) );
 }
 
@@ -178 +190 @@
     $menu_id = (int) $menu_id;
     $menu_item_db_id = (int) $menu_item_db_id;
+
+    // make sure that we don't convert non-nav_menu_item objects into nav_menu_item objects
+    if ( ! empty( $menu_item_db_id ) && ! is_nav_menu_item( $menu_item_db_id ) ) {
+        return new WP_Error('update_nav_menu_item_failed', __('The given object ID is not that of a menu item.'));
+    }
 
     $menu = wp_get_nav_menu_object( $menu_id );
@@ -236 +253 @@
     // New menu item
     if ( 0 == $menu_item_db_id ) {
+        $post['ID'] = 0;
         $menu_item_db_id = wp_insert_post( $post );