/* Cache the real UF, override it with the SOAP environment */
-$config = CRM_Core_Config::singleton();
+$civicrmConfig = CRM_Core_Config::singleton();
-$server->setClass('CRM_Utils_SoapServer', $config->userFrameworkClass);
+$server->setClass('CRM_Utils_SoapServer', $civicrmConfig->userFrameworkClass);
$server->setPersistence(SOAP_PERSISTENCE_SESSION);