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Jordi Boggiano's Blog:
Multiton base class
December 30, 2008 @ 11:17:49

In this recent post Jordi Boggiano looks at a different sort of design pattern - a sort of extension of the Singleton pattern: Multition.

While I like the Singleton pattern every now and then, I prefer the flexibility that the Multiton potentially offers, and well it's just an extended version of the Singleton, so it's "compatible" with the Singleton model. Anyway, to the point, PHP5.3 is coming, and with Late Static Binding you can do a base Multiton (or Singleton if you insist), which wasn't possible before. Now I like this very much because you can simply extend it rather than rewriting those (few, I know, but still) lines each time.

Included in the post is an example of the design pattern showing how to create its structure in the class and use it to grab the same or unique instances (defined with an ID).

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