PHP is a server side language and program that is capable of taking data from a number of database sources and creating dynamic web pages. It makes for a powerful content management system, but you can use it for more than just that. It is definitely one of the most happening and versatile development technologies for the web as we know today. As much as others might claim, there is no immediate competition to it in the website development arena and that’s how it shall remain for a good time to come. How good it is can be estimated from the fact that there over a million sites presently built using PHP and thousands in production will be using it.