Letís face it: building custom external iterators is one of those things that we, as PHP developers, have to tackle sooner or later. Whether it comes to iterating over database result sets or traversing plain array elements, external iterators are powerful, reusable structures that permit you to develop more efficient object-oriented applications. This is the third part in our series on external iterators in PHP.


Read the full article here: Lazy Loading with External PHP Iterators

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