PHP: Singleton vs Static Class

Question

Possible duplicate:
Difference between static class and singleton pattern?

I just wanted to know what exactly is the difference between singleton and static classes?

Answer 1

I think this question has already been answered: The difference between a static class and a singleton pattern?

Answer 2

In singleton, you can choose to initialize the variable on the first call. While the static variable begins to exist at the moment when you include / call the file in which the static variable is declared.

Answer 3

Singleton is a template that has nothing to do with a particular language implementation. Technically, singleton says that you can only have one instance of an object in the system. In the case of a static class, you will not have any objects at all.

Answer 4

The big difference between singleton and empty static methods is that singletones can implement interfaces . But static font

Difference between static class and singleton pattern?

Answer 5

Syntax is an abstract design template that describes an object that can only be created once. A static class is a concrete implementation of this design pattern.