Change is inevitable (except from a vending Machine)
Stefan Priebsch (12.Oct.2011 at 16:30)
Talk at International PHP Conference / WebTech Con 2011 (English - UK)
Where did Bob live two years ago? And what was his last e-mail address again? If your application needs to keep track of things that change over time, you must take a step beyond normal object relations or foreign keys in a database. This presentation introduces temporal patterns to solve these kinds of problems and shows how to effectively implement them in PHP using the date extension.
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