Overview PHP QR Code is open source (LGPL) library for generating QR Code, 2-dimensional barcode. Based on libqrencode C library, provides API for creating QR Code barcode images (PNG, JPEG thanks to GD2). Implemented purely in PHP, with no external dependencies (except GD2 if needed). Some of library features includes: Supports QR Code versions (size) 1-40 Numeric, Alphanumeric, 8-bit and Kanji e