Php Variables

General Syntax of a PHP Variable is :
A variable starts with the $ sign, followed by the name of the variable
A variable name must begin with a letter or the underscore character
A variable name can only contain alpha-numeric characters and underscores (A-z, 0-9, and _ )
A variable name should not contain spaces

How To Make My First Php Program And Run It.

For installation of PHP ..you can download wamp server from http://www.wampserver.com/en/  or http://www.php.net/manual/en/install.php

Let’s see how to make and run PHP code for the first time in your computer.