PHP Generate QR Code

0-PHP-QR-CODE.MD

GENERATE QR CODE IN PHP

https://code-boxx.com/generate-qr-code-php/

IMAGES

NOTES

1. The PHP QR Code Library is not included, download on your own – composer require endroid/qr-code.
2. Make sure that extension=gd (or gd2 prior to PHP8) is enabled in php.ini.

LICENSE

Copyright by Code Boxx

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

1-simple.php

<?php
// (A) LOAD QR CODE LIBRARY
require "vendor/autoload.php";
use Endroid\QrCode\QrCode;
use Endroid\QrCode\Writer\PngWriter;

// (B) CREATE QR CODE
$qr = QrCode::create("https://code-boxx.com");
$writer = new PngWriter();
$result = $writer->write($qr);

// (C) OUTPUT QR CODE
// (C1) SAVE TO FILE
$result->saveToFile(__DIR__ . "/qr.png");

// (C2) DIRECT OUTPUT
header("Content-Type: " . $result->getMimeType());
echo $result->getString();

// (C3) GENERATE DATA URI
// echo "<img src='{$result->getDataUri()}'>";

2-options.php

<?php
// (A) LOAD QR CODE LIBRARY
require "vendor/autoload.php";
use Endroid\QrCode\QrCode;
use Endroid\QrCode\Writer\PngWriter;
use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelHigh;
use Endroid\QrCode\Color\Color;
use Endroid\QrCode\Logo\Logo;
use Endroid\QrCode\Label\Label;

// (B) CREATE QR CODE
$qr = QrCode::create("https://www.google.com/search?q=garbage+can")
  // (B1) CORRECTION LEVEL
  ->setErrorCorrectionLevel(new ErrorCorrectionLevelHigh())
  // (B2) SIZE & MARGIN
  ->setSize(300)
  ->setMargin(10)
  // (B3) COLORS
  ->setForegroundColor(new Color(255, 0, 0))
  ->setBackgroundColor(new Color(255, 255, 255));

// (B4) ATTACH LOGO
$logo = Logo::create(__DIR__ . "/logo.png")
  ->setResizeToWidth(100);

// (B5) ATTACH LABEL
$label = Label::create("LE GARBAGE CAN")
  ->setTextColor(new Color(0, 0, 0));

// (C) OUTPUT QR CODE
$writer = new PngWriter();
$result = $writer->write($qr, $logo, $label);
header("Content-Type: " . $result->getMimeType());
echo $result->getString();

3-data-format.php

<?php
// (A) LOAD QR CODE LIBRARY
require "vendor/autoload.php";
use Endroid\QrCode\QrCode;
use Endroid\QrCode\Writer\PngWriter;

// (B) CREATE QR CODE
// (B1) WEBSITE
// $qr = QrCode::create("https://code-boxx.com");

// (B2) EMAIL
// $qr = QrCode::create("mailto:jon@doe.com");

// (B3) TELEPHONE NUMBER
// $qr = QrCode::create("tel:123456789");

// (B4) SMS
// $qr = QrCode::create("smsto:123456789:Message");

// (B5) VCARD
// https://www.qr-code-generator.com/solutions/vcard-qr-code/
$qr = QrCode::create("BEGIN:VCARD
VERSION:3.0
N:Doe;John;
TEL;TYPE=work,VOICE:123456789
EMAIL:john@doe.com
ORG:Code Boxx
TITLE:Crash Test Dummy
URL:https://code-boxx.com
VERSION:3.0
END:VCARD");

// (C) OUTPUT QR CODE
$writer = new PngWriter();
$result = $writer->write($qr);
header("Content-Type: " . $result->getMimeType());
echo $result->getString();