This is category for php code and script.
We can use PHP language because PHP is a server-side scripting language that is embedded in HTML. It is used to manage dynamic content, databases, session tracking, even build entire e-commerce sites.It is integrated with a number of popular databases, including MySQL, PostgreSQL, Oracle, Sybase, Informix, and Microsoft SQL Server.
Before we start coding qrcode Generate, we need to ensure we have a working web server and meet all the requirements below. We cannot execute PHP code without a working web server as it is a server-side programming language and it is to use
Web Server if you haven’t set up a local web server solution package, I suggest downloading and installing XAMPP. Is a set of open-source web server software.
Open the XAMPP Control Panel
Next click on Apache module to start
Next click on MySQL module to Start
XAMPPs installation directory (C:\xampp)
Open the htdocs directory
Create the files
The QRcode::png() function generates a QR code image and outputs it directly to the browser as a PNG image. If you want to save the QR code image to a file, you can pass the file path as the $outfile parameter. For example:
This will save the QR code image to the file qrcode.png in the current directory.
The error correction level can be specified using one of the following constants: QR_ECLEVEL_L, QR_ECLEVEL_M, QR_ECLEVEL_Q, or QR_ECLEVEL_H. These constants represent the four available error correction levels: low, medium, quartile, and high, respectively. The higher the error correction level, the more robust the QR code will be, but it will also be larger in size.
The margin size is the number of blank pixels that will be added around the QR code image. The default value is 4 pixels. You can adjust the margin size by changing the value of the $margin parameter.
You can then include this PHP script in your HTML page using an tag as shown below. The QR code image will be displayed in the frontend of your application.
Download Source Code