public function getMultiple($service_id, $range, $terminal_id = 0, $number_start = null, $date = null)
 {
     $terminal_id = QueueSettings::terminalSpecificIssue($service_id) ? $terminal_id : 0;
     $next_number = ProcessQueue::nextNumber(ProcessQueue::lastNumberGiven($service_id), QueueSettings::numberStart($service_id), QueueSettings::numberLimit($service_id));
     $queue_platform = $number_start == $next_number || $number_start == null ? 'web' : 'specific';
     $number_start = $number_start == null ? $next_number : $number_start;
     $result = ProcessQueue::issueMultiple($service_id, $number_start, $range, $date, $queue_platform, $terminal_id);
     $result['success'] = 1;
     return json_encode($result);
 }