Generate QRCode without save - MPDF

QrCodeMPDF.php

# install
composer require mpdf/mpdf
composer require mpdf/qrcode


# load qrcode library
$qrCode = new Mpdf\QrCode\QrCode("text to be generate here");
$output = new Mpdf\QrCode\Output\Png();

# generate base64 image qrcode
$qrcode_base64 = 'data:image/png;base64,' . base64_encode($output->output($qrCode, 100, [255, 255, 255], [0, 0, 0]));

# show base64 image
$html = '<img src="'.$qrcode_base64.'"/>';


# load mpdf library
$mpdf = new \Mpdf\Mpdf(['format' => [210, 150]]);
$mpdf->WriteHTML($html);
$mpdf->Output();