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While working with any language we make use of variables. Variables are used to store values and reuse them in our code. We use different types of variables in our code such as strings (text), integers (numbers), floats (decimal numbers), boolean (true or false) and objects. In PHP we can make use of variable while writing scripts. In this lesson we're going to cover PHP variables. Read PHP Variables tutorial here. (http://www.opensourcetutorials.com/tutorials/Server-Side-Coding/PHP/php-variables/page1.html)