CodexWorld

Password-based authentication is becoming outdated. Users forget passwords, reuse weak ones, and create security risks. A passwordless login system using magic links solves these issues by allowing users to log in via a secure link sent to their email. Passwordless Login System is a secure, modern passwordless authentication system built with PHP and MySQLi that uses magic links sent via email…

If you want to display real-time temperature, humidity, weather description, and day/night status on your website, this tutorial will help you build a fully functional Temperature Widget using JavaScript and PHP. This widget: ✔ Detects user location automatically via IP ✔ Fetches live weather data using the Open-Meteo API (no API key required) ✔ Displays: Current temperature in Celsius City /…

The ChatGPT API, provided by OpenAI, enables developers to access the powerful language model capabilities of ChatGPT. By integrating this API into your PHP applications, you can create interactive and intelligent conversational agents that can understand and respond to user inputs in a human-like manner. Integrating the ChatGPT API into a PHP application allows you to build AI-powered features…

QR codes have become an essential part of modern web applications. From sharing URLs and contact details to enabling quick payments and app downloads, QR codes provide a fast and user-friendly way to exchange information. In this tutorial, we will explore how to generate QR codes using PHP, a popular server-side scripting language. We will use the custom PHP library that makes it easy to create…

Automatically backing up your MySQL database is critical for production websites and applications. Manual backups are error-prone and often forgotten, while automated backups ensure your data is safe even if something goes wrong. In this tutorial, you’ll learn how to auto backup a MySQL database using PHP and Cron (Linux/macOS) or Task Scheduler (Windows). We’ll use a CLI-based PHP script that…

Generate a professional invoice PDF directly from a dynamic web form using PHP, Dompdf, and AJAX for seamless downloads without page reloads. This tutorial leverages your attached scripts for a production-ready implementation with CSRF protection, logo uploads, and real-time calculations. This tutorial explains how to generate a professional Invoice PDF using PHP and AJAX without page reload. The…

Implementing secure authentication in REST APIs is a must for modern applications. One of the most widely used methods is JWT (JSON Web Token), which allows stateless, scalable authentication without storing sessions on the server. In this tutorial, you’ll learn how to build a complete REST API with JWT Authentication using Core PHP (without any framework). We’ll cover: API structure Database…

A secure forgot password feature boosts user trust and reduces support tickets. Implementing OTP (one-time password) email verification with PHP ensures only the true account owner can reset the password, adding an extra security layer to your site. In this tutorial, you’ll learn how to implement a Forgot Password system in PHP that verifies users through an Email OTP (One-Time Password) before…

The Date Range Picker allows the user to select a range of dates. You can attach the Date Range Picker component to an HTML element to pop up two calendars to select a date range. The user can select a custom date range or predefined ranges (such as “Last 7 days”, “Last 30 days”, “This month”, “Last month”, etc.) from the Date Range Picker widget. When Date Range Picker is attached to an input…

PDF Thumbnail is the best way to display a preview of the PDF document. When you have a media library section in the web application and want to display the PDF preview in a listing, thumbnail images are a great option. In this process, you need to create thumbnail image from PDF document and display this image as a preview. There are various third-party libraries available to generate thumbnail…

Shopping cart with payment gateway is a must-have functionality for an e-commerce website. The payment gateway allows the buyers to make payment online at the time of checkout. PayPal standard checkout is one of the easiest option to integrate payment gateway in the web application. A shopping cart helps users to select multiple products and PayPal allows users to checkout with credit/debit card…

CRUD (Create, Read, Update, and Delete) operations are used in the web application for the data manipulation in the database. There are four basic operations involved in the CRUD functionality that help to manage data with the database. We have already shared the tutorial to perform create (insert), read (select), update, and delete operations in PHP CRUD Operations with MySQL. In this tutorial,…

The web form is a commonly used element in each website. In some cases, the user is allowed to select files with the input data so that the files are attached to the form data. Mostly the default HTML file input interface is used to select and upload files. But if you want to make web form UI more effective, drag and drop file upload feature can be used. The drag-and-drop feature provides an…

Mostly the server-side scripting language such as PHP is used to upload file to the server. With this method, an HTML form is submitted to upload the selected file to the server. To provide a better user interface, we can use client-side technology such as jQuery Ajax to upload files without page refresh. Moreover, you can use simple JavaScript to upload files to the server. The JavaScript…

OpenStreetMap is a free and open-source platform that is used to embed maps on the website. You can use OpenStreetMap API to embed maps with marker in HTML. Similar to Google Maps, OpenStreetMap is used to display maps with marker and info window. Mostly, the single marker is pointed on the map to display the location with marker and info window popup. We can embed maps with multiple markers and…

DataTables is a JavaScript library used to enhance the functionality and add advanced features to HTML tables. DataTables plugin converts a basic HTML table to an advanced feature-rich table instantly. There are various advanced features are available with DataTables, and server-side processing is one of them. DataTables server-side processing enables you to load a large number of data sets from…

PayPal Advanced Checkout lets you accept credit and debit card payments directly from the website. You can set up custom credit card fields and add card payment form without any PayPal branding. The card input fields and payment form style can be customized as per the website design along with your business branding. The PayPal JavaScript SDK and REST API provide an easy way to integrate advanced…