PHP is a programming and scripting language to create dynamic interactive websites. WordPress is written using PHP as the scripting language. Just like WordPress, PHP is also an Open Source.
PHP is a server side programming language. When a user requests a web page that contains PHP code, the code is processed by the PHP module installed on that web server. The PHP pre-processor then generates HTML output to be displayed on the user’s browser screen.
PHP is an open source, server-side, HTML embedded scripting language used to create dynamic web pages php. PHP can perform any task that any CGI program can do, but its strength lies in its compatibility with many types of databases.
What Can PHP Do?