Best Way to Organize PHP Class Hierarchy

Question

I\'ve got a somewhat primitive framework I\'ve been using for most of my projects, but a general design issue came to mind that I haven\'t been able to work out yet. For a given

Answer 1

What it really comes down to is what are you going to do when you update Framework\Control.php in Application XYZ. Are you going to go back to Application ABC and make that same change? What if it's a critical bug?

For maintainability of all of your projects I'd go with your second option.