- $plc->alt_person = $_SESSION['plc']['alt_person'];
- $plc->alt_auth = $_SESSION['plc']['alt_auth'];
+ if (array_key_exists('alt_person',$_SESSION['plc']))
+ $plc->alt_person = $_SESSION['plc']['alt_person'];
+ if (array_key_exists('alt_auth',$_SESSION['plc']))
+ $plc->alt_auth = $_SESSION['plc']['alt_auth'];