Ticket #19264: get_nav_menu_item_children.patch

nav-menu.php

@@ -545 +545 @@
 }
 
 /**
+ * Returns all child nav_menu_items under a specific parent
+ *
+ * @param   int       the parent nav_menu_item ID
+ * @param   array     nav_menu_items
+ * @return  array     returns filtered array of nav_menu_items
+ */
+function get_nav_menu_item_children( $parent_id, $nav_menu_items ) {
+        $nav_menu_item_list = array();
+        foreach ( (array) $nav_menu_items as $nav_menu_item ) {
+                if ( $nav_menu_item->menu_item_parent == $parent_id ) {
+                        $nav_menu_item_list[] = $nav_menu_item;
+                        if ( $children = get_nav_menu_item_children( $nav_menu_item->ID, $nav_menu_items ) )
+                                $nav_menu_item_list = array_merge( $nav_menu_item_list, $children );
+                        }
+        }
+        return $nav_menu_item_list;
+}
+
+/**
  * Decorates a menu item object with the shared navigation menu item properties.
  *
  * Properties: