PHP Variables
In this tutorial you will learn how store information in a variable in PHP.

What is Variable in PHP
Variables are used to store data, like string of text, numbers, etc. Variable values can change over the course of a script. Here're some important things to know about variables:

In PHP, a variable does not need to be declared before adding a value to it. PHP automatically converts the variable to the correct data type, depending on its value.
After declaring a variable it can be reused throughout the code.
The assignment operator (=) used to assign value to a variable.
In PHP variable can be declared as: $var_name = value;