Overview

A PHP QR Code generator based on the implementation by Kazuhiko Arase, namespaced, cleaned up, improved and other stuff. It also features a QR Code reader based on a PHP port of the ZXing library.

Features

Creation of Model 2 QR Codes, Version 1 to 40
ECC Levels L/M/Q/H supported
Mixed mode support (encoding modes can be combined within a QR symbol). Supported modes:
- numeric
- alphanumeric
- 8-bit binary
- 13-bit double-byte:
- kanji (Japanese, Shift-JIS)
- hanzi (simplified Chinese, GB2312/GB18030) as defined in GBT18284-2000
Flexible, easily extensible output modules, built-in support for the following output formats:
- GdImage
- ImageMagick
- Markup types: SVG, HTML, etc.
- String types: JSON, plain text, etc.
- Encapsulated Postscript (EPS)
- PDF via FPDF
QR Code reader (via GD and ImageMagick)

Requirements

PHP 7.4+
- ext-mbstring
- optional:
- ext-fileinfo (required by QRImagick output)
- ext-gd
- ext-imagick with ImageMagick installed
- setasign/fpdf for the PDF output module

For the QR Code reader, either ext-gd or ext-imagick is required!

Framework Integration

Drupal:
- Two-factor Authentication tfa (Drupal 8+)
- Google Authenticator Login ga_login (deprecated, Drupal 7)
Symfony
- phpqrcode-bundle
WordPress:
WoltLab Suite
- two-step-verification
other uses:
- dependents / packages
- Appwrite
- Cachet
- GÉANT CAT
- openITCOCKPIT
- twill
- Elefant CMS
Articles:
- Twilio: How to Create a QR Code in PHP (featuring v4.3.x)

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Hi, please check out some of my other projects that are way cooler than qrcodes!

js-qrcode - a javascript port of this library
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php-httpinterface - a PSR-7/15/17/18 implemetation
php-oauth-core - an OAuth 1/2 client library along with a bunch of providers
php-database - a database client & querybuilder for MySQL, Postgres, SQLite, MSSQL, Firebird
php-tootbot - a Mastodon bot library