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Bookmarked “Singletons are useful, but they …


Singletons are useful, but they reduce flexibility and therefore should be used sparingly. EDD is a great example. There is one main singleton that houses all the other “main” instances, of the other classes, without having to use a singleton on every one of those other classes.

Singletons In WordPress: Good Or Evil? | @thetorquemag


  1. Jan Boddez Jan Boddez on

    That looks like a somewhat appropriate trade-off between being able to still retrieve a (single) class instance (like, for removing callbacks from hooks) and testability.

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