> $where */ protected function appendDepositOrderIndexWhere(array &$where, string $mainShort): void { if ($mainShort === '') { return; } $effective = DepositChannel::effectiveRowsFromDb(); $codes = DepositChannel::enabledPayChannelCodes($effective); if ($codes === []) { $where[] = [$mainShort . '.pay_channel', '=', '__no_pay_channel__']; return; } $where[] = [$mainShort . '.pay_channel', 'in', $codes]; } }