PHP variables are characters that stores value or information such as text or integers in your code. In PHP variables are usually represented by a dollar sign ($).
Those variables can hold or stores a value. When we defining the variable, we are storing the value in memory a naming it.
There are five basic rules for PHP variables:
- A variable start with “$” sign.
- A variable must begin with a letter or underscore.
- Variable name can have start only alpha-numeric and underscore (A-z and (_)).
- Variable name is case-sensitive ($a and $A are two different variables).
- When we declared variables spacing not allowed.
- Creating variables:
