public static function remove_user_role($username, $id, $roleid) { global $CFG, $DB; $params = self::validate_parameters(self::remove_user_role_parameters(), array('username' => $username, 'id' => $id, 'roleid' => $roleid)); $auth = new auth_plugin_joomdle(); $id = $auth->remove_user_role($username, $id, $roleid); return $id; }