PHP is used to develop 3 types of applications
PHP is used to develop 3 types of applications :
1. web application : A browser in the client side, a web server that supports php and php parser is required in the server side.
2. Command line scripting : Only php parser is required.
3. Desktop/GUI based application : PHP GTK is used for developing desktop/gui based applications usin php
"GTK" - GIMP tool kit
GIMP - GNU image manipulation programe.
(GNU - An open source Operating system).