PHP

1. What is PHP

               a. PHP is an acronym for "PHP: Hypertext Preprocessor". 

               b. PHP is a widely-used, open source scripting language.

               c. PHP scripts are executed on the server.

               d. PHP is free to download and use.

2. Feature of PHP

                   a. PHP can collect form data.

                   b. PHP can send and receive cookies.

                   c. PHP can add, delete, modify data in your database.

                   d. PHP can be used to control user-access.PHP can encrypt data.

3. Why PHP

PHP can actually do anything related to server-side scripting or more popularly known as the backend of a website. For example, PHP can receive data from forms, generate dynamic page content, can work with databases, create sessions, send and receive cookies, send emails etc.There are many reasons we use PHP for our web development, firstly it is a free language with no licensing fees so the cost of using it is minimal.