Ticket #14001: nav-menu.php.15288.2.patch

wp-includes/nav-menu.php

@@ -78 +78 @@
         $_wp_registered_nav_menus = array_merge( (array) $_wp_registered_nav_menus, $locations );
 }
 
+
 /**
+ * Unregisters a navigation menu for a theme.
+ *
+ * @param array $location the menu location identifier
+ *
+ * @return bool true if location was unregistered
+ */
+function unregister_nav_menu( $location ) {
+        global $_wp_registered_nav_menus;
+
+        if (is_array($_wp_registered_nav_menus) && array_key_exists( $location, $_wp_registered_nav_menus ) ){
+                unset( $_wp_registered_nav_menus[$location] );
+                return true;
+        }
+
+        return false;
+
+}
+
+
+
+/**
  * Register a navigation menu for a theme.
  *
  * @since 3.0.0