PHP

Welcome to a tutorial on how to build an AJAX-driven events calendar with PHP and MySQL. Looking to add some organizational features to your project? Too many calendars out there that are too complicated? A simple PHP MySQL calendar only consists of a few key components: A database table to store the events. A PHP […]

Welcome to a quick tutorial on how to read an Excel file and display it in HTML. So you have an Excel file, and want to display it on an HTML webpage? PHP does not have native functions to read Excel files, but we can use the PHPSpreadSheet library to read Excel files and output

So you are trying to implement “login with Google” in your project, only to find confusing documentation all over the Internet? Well, let’s simplify the steps here. Create a new project at the Google API dashboard, set up OAuth consent, and get the API credentials. Using the Google API client library, create a “login with

Welcome to a tutorial on how to convert the image file format in PHP – From JPG to WEBP, from PNG to JPG, from PNG to WEBP, and whatever else. To convert JPG to WEBP in PHP: Open the original image – $img = imagecreatefromjpeg(“IMG.JPG”); Set the color palette – imagepalettetotruecolor($img); Convert and save the

Welcome to a tutorial and example on how to implement WebAuthn in PHP. So you have heard that it is possible for web apps to authenticate using biometrics, “face login”, NFC token, USB passkey, and whatever “passwordless” means. The magic behind is actually the Web Authentication API. In the simplest manner, the Web Authentication API

Welcome to a quick tutorial on how to create a one-time password (OTP) in PHP and MySQL. Need extra security for ordering, confirmation, payments, or transactions? An OTP process in PHP typically involves: Generating a random OTP on request. Save it into the database, and send it to the user. The user accesses a challenge