"What is it all about and what does it mean?"
PHP is a powerful, open source scripting language used to create dynamic websites. PHP was originally an acronym for Pre Hypertext Processor. This has changed over time and now PHP officially stand for PHP Hypertext Preprocessor. PHP scripts are executed on the server and the results are then displayed on your computer. PHP is very popular and is widely used throughout the world. PHP can be found at the core of the largest blogging system on the web, WordPress, and it’s interesting to note that PHP is also used to run one of the webs largest social media platform, Facebook. Why would you want to use PHP? Because PHP has quite a bit of capability. PHP can generate dynamic page content, PHP can read, write, delete, and close files on the server, PHP can collect form data, PHP can send and receive cookies, PHP can add, delete, and modify data in your database, PHP can be used to control user access, and PHP can encrypt data.