PHP Installation
The PHP Windows installer works great on Windows XP Professional running IS. What the installer does is to install the CGI version of PHP for IIS, PWS, and Xitami. It also configures the web server. Don’t forget to select the appropriate build.
For Linux/Unix users, there is a PHP Source code available on the official PHP site. Compile it and voila! Make sure that you check first your web-server since most of the Linux/Unix versions already have PHP installed in them (neat huh?). Another option is to install it with an installer CD that comes with the Operating System.
Some PHP installer downloads are just add on’s. You would probably need a web server to install PHP. But before you install PHP, check if your web server is working properly.
PHP also allows you to build your site using PHP on Windows but you can still install and run the same code on Linux/Unix servers.