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PHPClasses.org:
8 defensive programming best practices to prevent breaking your sites
April 26, 2007 @ 11:11:00

As anyone who's been developing applications (web or otherwise) knows, there are certain things that you just don't do when you're doing things like adding features or changing the code of a production application. There are some general rules to follow and this new article on the PHPClasses.org website reminds us of just a few.

This article describes software development practices that have been used to prevent problems that can break Web sites.

Included in his list are things like:

  • Handle unexpected conditions Test your code
  • Monitor your site errors and act upon them
  • Do not disclose errors to the users
  • Do what you can as you can never get defensive enough
He also recommends two resources for some additional reading - the Wikipedia entry for "defensive programming" and a chapter from Getting Real (from 37 Signals) about how to "Get Defensive".

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