EventsController/ patientfeed() function

EventsCtrl

$patient_uuid = !$event->patient->external_patient_id ? $event->patient->patient_uuid : $event->patient->external_patient_id;

                // aditya changes -
                $last_visit_date = $this->lastVisitDate($event->patient->id, $event->facility->id);
                // For last_vist date , please check for null then appply below date function, whereever you call
                $last_visit_date = ($last_visit_date != null) ? (new Date($last_visit_date))->timeAgoInWords() : null;
                $age = !($event->patient->age == "Not Defined") ? (" | ". $event->patient->age . " years old  ") : "";

                /*
                 *     'title' => $patient . "   |   " . $event->patient->sex . $age  . $last_visit_date,
                 */


                $data[] = array(
                    'id' => $event->id,
                    'title' => $event->title,
                    'start' => $event->start,
                    'end' => $end,
                    'allDay' => $allday,
                    // 'url' =>   '/events/view/'.$event->id,
                    'patient_uuid' => $patient_uuid,
                    'provider' => $provider,

                    'patient' => $patient,
                    'facility' => $facility,
                    'url' => '/events/edit/' . $event->id,
                    'teleurl' => $teleurl,
                    'description' => $event->details,
                    'status' => $event->status,
                    'color' => $color
                );