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Giorgio Sironi's Blog:
The dangers of Late Static Bindings
April 14, 2010 @ 07:06:41

Giorgio Sironi has a new post that warns you of the dangers that could come from the use of a technology just recently introduced to PHP - late static binding.

There's a lot of (justified) excitement about PHP 5.3 new features, such as the support of namespaces and anonymous functions. Though, some glittering capabilities of the language are definitely not gold: the goto statement is probably the most debated example, but also the long-awaited Late Static Bindings support is an hammer which may hurt your fingers...

He talks about how two of the characteristics of late static binding - the fact that it involves something being static and that there's a sort of hierarchy involved. He gives a code example of how it could be used and notes that static functions should be used sparingly since they are a more procedural way of doing things.

The post also includes a good example - an abstract Factory method - and a bad example - Active Record that doesn't evolve towards a Repository pattern being used.

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