PHP code example of endroid / qrcode

1. Go to this page and download the library: Download endroid/qrcode library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

endroid / qrcode example snippets


use Endroid\QrCode\Builder\Builder;
use Endroid\QrCode\Encoding\Encoding;
use Endroid\QrCode\ErrorCorrectionLevel;
use Endroid\QrCode\Label\LabelAlignment;
use Endroid\QrCode\Label\Font\OpenSans;
use Endroid\QrCode\RoundBlockSizeMode;
use Endroid\QrCode\Writer\PngWriter;

$builder = new Builder(
    writer: new PngWriter(),
    writerOptions: [],
    validateResult: false,
    data: 'Custom QR code contents',
    encoding: new Encoding('UTF-8'),
    errorCorrectionLevel: ErrorCorrectionLevel::High,
    size: 300,
    margin: 10,
    roundBlockSizeMode: RoundBlockSizeMode::Margin,
    logoPath: __DIR__.'/assets/symfony.png',
    logoResizeToWidth: 50,
    logoPunchoutBackground: true,
    labelText: 'This is the label',
    labelFont: new OpenSans(20),
    labelAlignment: LabelAlignment::Center
);

$result = $builder->build();

use Endroid\QrCode\Color\Color;
use Endroid\QrCode\Encoding\Encoding;
use Endroid\QrCode\ErrorCorrectionLevel;
use Endroid\QrCode\QrCode;
use Endroid\QrCode\Label\Label;
use Endroid\QrCode\Logo\Logo;
use Endroid\QrCode\RoundBlockSizeMode;
use Endroid\QrCode\Writer\PngWriter;
use Endroid\QrCode\Writer\ValidationException;

$writer = new PngWriter();

// Create QR code
$qrCode = new QrCode(
    data: 'Life is too short to be generating QR codes',
    encoding: new Encoding('UTF-8'),
    errorCorrectionLevel: ErrorCorrectionLevel::Low,
    size: 300,
    margin: 10,
    roundBlockSizeMode: RoundBlockSizeMode::Margin,
    foregroundColor: new Color(0, 0, 0),
    backgroundColor: new Color(255, 255, 255)
);

// Create generic logo
$logo = new Logo(
    path: __DIR__.'/assets/symfony.png',
    resizeToWidth: 50,
    punchoutBackground: true
);

// Create generic label
$label = new Label(
    text: 'Label',
    textColor: new Color(255, 0, 0)
);

$result = $writer->write($qrCode, $logo, $label);

// Validate the result
$writer->validateResult($result, 'Life is too short to be generating QR codes');


// Directly output the QR code
header('Content-Type: '.$result->getMimeType());
echo $result->getString();

// Save it to a file
$result->saveToFile(__DIR__.'/qrcode.png');

// Generate a data URI to 

use Endroid\QrCode\Writer\SvgWriter;

$builder = new Builder(
    writer: new SvgWriter(),
    writerOptions: [
        SvgWriter::WRITER_OPTION_EXCLUDE_XML_DECLARATION => true
    ]
);