Question

How will I use an instance of an object that is initially loaded throughout the whole site?

I want $myinstance to be used everywhere.

$myinstance = new TestClass();

Thanks!

Answer 1

What you are looking for is called the singleton pattern.

If you are deeply into OOP architecture, and want to do things like Unit Testing in the future: Singletons are regarded as an imperfect approach and not “pure” in the sense of OOP. I asked a question on the issue once, and got pretty good results with other, better patterns. A lot of good reading.

If you just want to get started with something, and need your DB class available everywhere, just use a Singleton.