On 77.4% of websites whose server-side language is known as of October 2018, PHP is being utilized. It is frequently used on websites to dynamically generate the web page content.

Use-cases include:

Websites and web applications (server-side scripting)

Coding in the command line

Desktop (GUI) software

It is typically used in the first form to create dynamic web page content. For instance, if you run a blog website, you might create some PHP scripts to show your blog entries after retrieving them from a database.

Among PHP programs' further applications are:

Processing and storing form data that contains user input

Using and managing cookies on websites

Limiting access to some of your website's pages