Recently I ran into a problem with include files. I had a header file which was included in every page, and had a default title. However, in any page calling the header, I wanted to be able to over-write the title, and then display the header.

My header.php file looked like this:

And the index.php like this:

However, the "home - " never showed up, only the default title. I realized it had to do with the variable scope. It was really just a matter of calling the $title variable as global, like this:

And the index.php like this: