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



Variable names are case sensitive ($y and $Y are two different variables)
For example:



the output:
Hello Buddy
2
You can declare your variable by:
Local
Global
Static
For Example:




Example: