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David Gardner's Blog:
Why you should always use PHP interfaces
November 25, 2010 @ 11:46:37

David Gardner has a suggestion for your development that he thinks can help keep things neat and tidy - using interfaces.

This post was sparked by a very simple question from an ex-colleague: "Why bother with PHP interfaces?" The subtext here was that the classes themselves contain the interface definition (through the methods they define) and hence interfaces are not needed, particularly where there is only one class that implements a given interface.

He talks about two reasons he things that interfaces could be beneficial - they help you think about things "the right way" of planning out structure before implementation and that it makes things more "future proof" the code by forcing future elements into the same mold as the current use.

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