Convert UUIDs into BigInt with ramsey/uuid

CreateBarCode.php

<?php

// needs picqer/php-barcode-generator

$generator = new \Picqer\Barcode\BarcodeGeneratorPNG();
$barcode = $generator->getBarcode($data, $generator::TYPE_CODE_128, 3, 100, [0,0,0]);

// ensure the char count is even for CODE_128_C
$barcodeData = (strlen($data) % 2)  === 0 ? $data : '0' . $data;
$generator = new \Picqer\Barcode\BarcodeGeneratorPNG();
$barcode = $generator->getBarcode($barcodeData, $generator::TYPE_CODE_128_C, 3, 100, [0,0,0]);

UuidConverterService.php

<?php

// needs ramsey/uuid

class UuidConverterService
{
    public static function fromUuidToNumberString(string $uuid): string
    {
        $uuidObject = Uuid::fromString($uuid);
        return $uuidObject->getInteger()->toString();
    }

    public static function fromNumberStringToUuid(string $integer): string
    {
        $uuidObject = Uuid::fromInteger($integer);
        return $uuidObject->toString();
    }
}