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  Implementing the Data Mapper Design Pattern in PHP 5

  Posted: March 10th, 2010, 7:00am MST

  In this first part of a five-part series, I introduce you to implementing the Data Mapper design pattern in PHP 5. This pattern attempts to solve the issue of the strong coupling that often exists between the domain objects present in an application and the underlying persistence mechanism. This benefit comes at a cost, since data mappers add a new layer of complexity. Living with this minor trade-off is quite worthwhile, though, as you'll see.
  - Since the web is in constant evolution and merges a variety of technologies and languages, developing web applications (specially mid-sized and large-scale ones) has become a challenging process. Indeed, applications require extensive planning, modeling and testing, before reaching a stable depl...