php-qrcode/docs/Usage-Overview.md

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:
  • wp-two-factor-auth
  • simple-2fa
  • floating-share-button
• 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)

Shameless advertising

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

• js-qrcode - a javascript port of this library
• php-authenticator - a Google Authenticator implementation (see authenticator example)
• 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