5 Star Rating system with jQuery AJAX in CodeIgniter 4

Offline.js is a JavaScript library to detect if a user is connected to the internet or not. It displays an alert message when the internet connection is lost similar to Facebook and Gmail.

For upload file with AngularJS need to send the file by $http service and with the use PHP store the requested file to the server and return a response.

You don't need to require any other extra plugin for working with Zip files. PHP has ZipArchive class that allow us to create a zip file or extract existing file. ZipArchive class extractTo() method is used to extract the zip file that takes destination absolute path as argument.

Google reCAPTCHA v3 is an invisible type of captcha where the user doesn’t have to interact. It tracks the user behavior on the site and returns a score between 0 to 1 with the response.

Migration makes table creation and managing them easier. Using this you can recreate tables or update a table without losing its data.