hovik u need a local webserver.Use

(Download it and install it).Start Apache from the control panel.Open a browser and go on adress 127.0.0.1 and check if your apache server works.
Download the No-IP client and install it.
The No-IP client will ask you to login.Login and then select the no-ip address u want to use for your server.Now go in C:/xampp/htdocs and add your php scripts.