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PHP QR Code

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PHP QR Code is an open source (LGPL) library used to generate QR Code, that is, two-dimensional code. Based on the libqrencode C library, it provides an API for creating QR Code barcode images (PNG, JPEG depend on GD2). Completely implemented in PHP.

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PHP QR code generator

12 Nov 2016

PHP QR Code Generator (1) Download the PHP QR Code class library from the official website, download the source file and extract it to the phpqrcode directory. (2) Create the script file create_png.php and add a user form to the page. The code is as follows: <form method="post"> Input text: <input type="text" name=&quo...

PHP generates QR code implementation code

21 Nov 2016

Quote [Introduction] QR code is a type of two-dimensional barcode. It can compile website addresses, text, photos and other information into a square barcode pattern through corresponding encoding algorithms. Mobile phone users can re-decode the relevant information through the camera and decoding software. And view the content php class library PHP QR Code two-sentence explanation: QR code is a type of two-dimensional barcode. It can compile website addresses, text, photos and other information into a square barcode pattern through corresponding encoding algorithms. Mobile phone users can Re-decode the relevant information through the camera and decoding software and view the content php class library PHP...

Use the PHP QR Code class library to create a QR code with a LOGO in the middle

12 Nov 2016

Use the PHP QR Code class library to create a QR code. Example browser output: <? include "phpqrcode/phpqrcode.php"; $value="http://s.bookphone.cn/chinabook/index.php/adminhtml/Croles /admin"; $errorCorrectionLevel = "L&q ...

What is a QR Code?

13 Jan 2026

QR codes (abbreviated from Quick Response Codes) are a type of two-dimensional barcode that can be read using smartphones and dedicated QR reading devices, that link directly to text, images, webpages, apps, games, music, emails and more!

Integrating WeChat QR Code Login on Your Website? (PHP & JS Example)

09 Dec 2025

ToenableWeChatQRlogin,registeryourdomainintheWeChatMPbackend,generateatime-limitedQRcodeviaPHP,pollitsstatuswithJavaScript,handlescanconfirmation,exchangetheauthcodeforuseridentity,andauto-refreshexpiredQRcodes.

AI-powered QR code generation: How Welby uses artificial intelligence to simplify QR code design and optimization

08 Jan 2026

With the rapid development of mobile Internet, QR codes have become an important bridge connecting online and offline. However, the traditional QR code generation process is often time-consuming and lacks personalization, making it difficult to meet the growing market demand. The Welby.dev platform came into being. It cleverly combines artificial intelligence technology to simplify the design and optimization process of QR codes, allowing users to easily create beautiful, efficient and effective QR codes.