In this part of the series, I demonstrate that the use of the “Plug-in” pattern in the construction of an extensible caching system is actually much simpler than many people might think. [Editor's note: this article was published out of sequence; it's actually the third in the series, and comes before yesterday's "HTML5 Client-Side Cache in PHP."]


Read the full article here: Creating an Extensible Caching System in PHP

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