Free Introduction to Functions: Part 2 Tutorial

The last time we spoke about functions, we took a fairly basic look at how they work and how they can be used in your scripts. This included declaring functions both with and without parameters, as well as how to declare default values for any parameters that the function may require. Today we’ll extend on that discussion and explain many advanced topics dealing with functions. To begin, we’ll start with the concept of function scope and how it can affect you when developing your own  
continue >>