What is encapsulation with simple example in php?

Question

What is encapsulation with simple example in php?

Answer 1

In basic terms, it’s the way we define the visibility of our properties and methods. When you’re creating classes, you have to ask yourself what properties and methods can be accessed outside of the class. Let’s say we had a property named foo. If a class extends your class, is it allowed to manipulate and access foo? What if someone creates an instances of your class? Are they allowed to manipulate and access foo?