PHP QR Code Generation Project

This project is a PHP application that generates QR Codes based on this library https://github.com/psyon/php-qrcode.

Table of Contents

• Introduction
• Technologies Used
• Installation

Introduction

This project allows for easy and quick generation of QR Codes. It uses a PHP library to create QR Codes, facilitating integration into different applications.

Technologies Used

• PHP 8.1+, PHP8.1-gd
• QR Code Library

Installation

• PHP8.1-gd

Linux based on Debian

Update your system:

sudo apt update && sudo apt upgrade -y

Install php8.1-gd:

sudo apt install php8.1-gd -y

Options:

s - Symbology (type of QR code). One of:

    qr
    qr-l
    qr-m
    qr-q
    qr-h

d - Data. Encode in Shift-JIS for kanji mode.

w - Width of image. Overrides sf or sx.

h - Height of image. Overrides sf or sy.

sf - Scale factor. Default is 4.

sx - Horizontal scale factor. Overrides sf.

sy - Vertical scale factor. Overrides sf.

p - Padding. Default is 0.

pv - Top and bottom padding. Default is value of p.

ph - Left and right padding. Default is value of p.

pt - Top padding. Default is value of pv.

pl - Left padding. Default is value of ph.

pr - Right padding. Default is value of ph.

pb - Bottom padding. Default is value of pv.

bc - Background color in #RRGGBB format.

fc - Foreground color in #RRGGBB format.

md - Module density. A number between 0 and 1. Default is 1.

wq - Width of quiet area units. Default is 1. Use 0 to suppress quiet area.

wm - Width of narrow modules and spaces. Default is 1.