Why use PHP OOP over basic functions and when?

Question

There are some posts about this matter, but I didn\'t clearly get when to use object-oriented coding and when to use programmatic functions in an include. Somebody also ment

Answer 1

If you have 50 functions instead of 50 static methods into Utilities class, you "pollute" the global namespace.

Using a class with 50 static methods, method names are local to your class.