qimall/addons/WriteOff/common/helpers/QrcodeHelper.php

<?php

namespace addons\WriteOff\common\helpers;

use Endroid\QrCode\Builder\Builder;
use Endroid\QrCode\Encoding\Encoding;
use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelHigh;
use Endroid\QrCode\Label\Alignment\LabelAlignmentCenter;
use Endroid\QrCode\Label\Font\NotoSans;
use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeMargin;
use Endroid\QrCode\Writer\PngWriter;
use Endroid\QrCode\Writer\Result\AbstractResult;

class QrcodeHelper
{
    /** @var AbstractResult $result */
    protected $result;

    public function __construct($content, $label = '')
    {	
        $builder = Builder::create()
            ->writer(new PngWriter())
            ->writerOptions([])
            ->data($content)
            ->encoding(new Encoding('UTF-8'))
            ->errorCorrectionLevel(new ErrorCorrectionLevelHigh())
            ->size(130)
            ->margin(10)
            ->roundBlockSizeMode(new RoundBlockSizeModeMargin())
            ->labelText($label);
        $result = $builder->labelFont(new NotoSans(20))
            ->labelAlignment(new LabelAlignmentCenter())
            ->validateResult(false)
            ->build();
        $this->result = $result;
    }

    public function save2File($path)
    {
        $this->result->saveToFile($path);
    }
}