php variables tutorial complete basic to advance for beginner part 3

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php variables tutorial complete basic to advance for beginner part 3
gives basic overview of php variables that " what is variables in php & how to use it ". There are given complete solution of PHP variable with php variable scope.

Global Scope - In this scope you can use variables only outside of user-defined functions not inside of functions.

Local Scope - In this scope you can use variables only inside of user-defined functions not outside of functions.

Static Scope - In this scope you can set variable as static variable inside user-defined functions & you can use this variable both inside and outside of functions.