PHP Basic to Advance is a free and offline application designed for anyone who wishes to learn the PHP programming language. Developed by Bolan Developers, this app is perfect for both experienced programmers and beginners.

The app has several key features that make it immensely useful for PHP developers. It covers a range of topics, including PHP basic overview and installation process, PHP data types, Xampp installation, basic syntax, conditional code (if, if else, switch statement), loops and types (for loop, while loop, do while loop, foreach loop), PHP functions, parameter function and function with return value, index array, association array, multidimensional array, OOP (Object Oriented Programming) concept, methods in PHP, inheritance usage, access modifier, constructor in PHP, POST method, GET method, request variable, cookies in PHP, exceptional handling (try, try catch method, finally), PHPMyAdmin, create database connection, and access records from database in PHP.

The app is easy to use, just click on the chapter you wish to begin from and follow the instructions. The content is relevant and accurate, making it a valuable resource for anyone who wants to learn PHP programming language.