bug 880 fixed: pwg.categories.add invalidate the user cache so that the new

category is added to the user category tree.


git-svn-id: http://piwigo.org/svn/trunk@2644 68402e56-0260-453c-a942-63ccdbb3a9ee

include/ws_functions.inc.php

@@ -1395,6 +1395,8 @@ function ws_categories_add($params, &$service)
     return new PwgError(500, $creation_output['error']);
   }
 
+  invalidate_user_cache();
+  
   return $creation_output;
 }