php-qrcode/examples/fpdf.php

<?php

namespace chillerlan\QRCodeExamples;

use chillerlan\QRCode\{QRCode, QROptions};

require_once __DIR__ . '/../vendor/autoload.php';

$data = 'https://www.youtube.com/watch?v=DLzxrzFCyOs&t=43s';

$options = new QROptions([
    'version'      => 7,
    'outputType'   => QRCode::OUTPUT_FPDF,
    'eccLevel'     => QRCode::ECC_L,
    'scale'        => 5,
    'moduleValues' => [
        // finder
        1536 => [0, 63, 255], // dark (true)
        6    => [255, 255, 255], // light (false), white is the transparency color and is enabled by default
        // alignment
        2560 => [255, 0, 255],
        10   => [255, 255, 255],
        // timing
        3072 => [255, 0, 0],
        12   => [255, 255, 255],
        // format
        3584 => [67, 191, 84],
        14   => [255, 255, 255],
        // version
        4096 => [62, 174, 190],
        16   => [255, 255, 255],
        // data
        1024 => [0, 0, 0],
        4    => [255, 255, 255],
        // darkmodule
        512  => [0, 0, 0],
        // separator
        8    => [255, 255, 255],
        // quietzone
        18   => [255, 255, 255],
    ],
]);

\header('Content-type: application/pdf');

echo (new QRCode($options))->render($data);