PHP code example of phpdot / qrcode

1. Go to this page and download the library: Download phpdot/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/ */

phpdot / qrcode example snippets


use PHPdot\QrCode\QrCodeFactory;

final class TicketController
{
    public function __construct(private readonly QrCodeFactory $qr) {}

    public function qr(string $ticketId): string
    {
        return $this->qr->svg("https://phpdot.com/t/{$ticketId}");
    }
}


use PHPdot\QrCode\Color;
use PHPdot\QrCode\Enum\ErrorCorrection;

$png = $qr->create('WIFI:T:WPA;S:phpdot;P:secret;;')
    ->errorCorrection(ErrorCorrection::High)
    ->size(512)
    ->margin(2)
    ->foreground(Color::fromHex('#101828'))
    ->background(Color::fromHex('#f8fafc'))
    ->toPng();

file_put_contents('wifi.png', $png);


use PHPdot\QrCode\Color;

Color::fromHex('#0b5');        // #rgb / #rrggbb / #rrggbbaa, '#' optional
Color::black();
Color::transparent();          // real alpha channel in the PNG

$svg = $qr->create('https://phpdot.com')
    ->background(Color::transparent())
    ->toSvg();


$svg = $qr->create('https://phpdot.com')->eci(false)->toSvg();