Thewebsqueeze blog post: This final tutorial in the series called “Writing Functions In PHP” explains what a default value is and what it can do. We encourage you to read the prior tutorials in this series by clicking the links in the “Related Post” section below.

Thewebsqueeze blog post: In the last couple of tutorials, we’ve been looking at how to get values into a function and return back values back out of the function. We can get the same end result by using Global Variable.

Thewebsqueeze blog post: In the last two tutorial series, we’ve been looking at functions. In this tutorial, we are going to look into a specific aspect of function, where function can return a value back out of them.