For dynamic web pages, the procedure is a little more involved, because it may bring both PHP and MySQL into the mix
Here are the steps:
1. You enter http://server.com into your browser’s address bar.
2. Your browser looks up the IP address for server.com.
3. Your browser issues a request to that address for the web server’s home page.
4. The request crosses the Internet and arrives at the server.com web server.
5. The web server, having received the request, fetches the home page from its hard disk.
6. With the home page now in memory, the web server notices that it is a file incorporating PHP scripting and passes the page to the PHP interpreter.
7. The PHP interpreter executes the PHP code.
8. Some of the PHP contains MySQL statements, which the PHP interpreter now passes to the MySQL database engine.