What is PHP

PHP is a scripting language that's excuted on the server
This language is made by the PHPgroup

How do I install PHP

First download php from http://www.php.net/ and install it on you're computer.
!Renember the instalation path when you are installing!
Second you need to click on 'Server applications' (left on this page, under name 'Settings').
Fill in the text-box 'Application URL :' the path of php followd by \php.exe (or \php-cgi.exe.exe if it is php5).
Example: the instalation path was C:\Program Files\PHP\ you fill in "C:\Program Files\PHP\php.exe" (or "C:\Program Files\PHP\php-cgi.exe" for php5).
The next thing you do is fill in the textbox 'Extensions:' the extensions (with points), end them with a ; (example .php;.php3, The extensions are .php and .php3).
Last thing is to click on the button add to add and apply the new settings.
If you setup the correct settings PHP can be used