Select(Fingerprint::class, [Fingerprint::FIELD_ID]) as $record) { $fingerprint = new Fingerprint((int)$record[Fingerprint::FIELD_ID], $db); $qrCode = new QrCode($fingerprint->getFingerprintId(), $fingerprint->getFingerprint()); if (!$qrCode->hasFile()) { $countForMissing++; $qrCode->generate(); $qrCode->save(); echo sprintf("\t=> Missing QR code for fingerprint %d generated.\n", $fingerprint->getFingerprintId()); } } echo $countForMissing === 0 ? 'No missing QR codes found.' . PHP_EOL : sprintf('%d missing QR code(s) fixed.', $countForMissing) . PHP_EOL;