What is a dynamic website?

Mostly, a static website is only composed of HTML pages. That supposes that a modification in a display page means a modification in the HTML source, unpractical.

In opposition to a static website, in a dynamic website, contents and presentation pages are separated. A presentation is defined and the contents are display "dynamically", contents are mainly in a database.

Website contents modifications have to be making directly in the database. It is easier than modify source files.

A dynamic website can be also a website that contains a fixed part, for instance a menu and a dynamic part that is loaded according to cases. In this case, contents are often in a PHP files.

What is the PHP?

PHP (PHP: Hypertext Pre-processor) is a generalist and Open Source script language.

It can be integrated easily into HTML file. Difference between PHP and JavaScript is that PHP is interpreted by the server.

The visitor cannot see PHP code because the server return only HTML code. Scripts and program sources are securised.