+ $startEvent = $membershipStatus[$dao->id]['start_event'] ?? NULL;
+ $endEvent = $membershipStatus[$dao->id]['end_event'] ?? NULL;
+ $startEventUnit = $membershipStatus[$dao->id]['start_event_adjust_unit'] ?? NULL;
+ $endEventUnit = $membershipStatus[$dao->id]['end_event_adjust_unit'] ?? NULL;
+ $startEventInterval = $membershipStatus[$dao->id]['start_event_adjust_interval'] ?? NULL;
+ $endEventInterval = $membershipStatus[$dao->id]['end_event_adjust_interval'] ?? NULL;
+
+ if ($startEvent) {