Manual Lemos on Defensive Programming

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p. “Manuel Lemos”: posted the “PHPClasses newsletter”: recently and in it he posts 8 rules he uses for defensive programming.

bq. This article describes software development practices that have been used to prevent problems that can break Web sites. This message also explains recent changes that were made to the site newsletter user options to reduce the site bandwidth usage to keep the hosting costs on budget.

p. Manuel goes on to describe a problem he had, the issues he faced with PHPClass’ newsletter delivery system and 8 rules he uses to help minimize embarrassing programming errors. (In his case, to help him from accidentally sending out newsletters while testing)

p. Those of you who regularly read DevZone have read some of Manuel’s articles and know he is a great writer. It’s easy to recommend this article to anyone looking to hone their skills as a PHP developer.

p. =C=

About Cal Evans

Many moons ago, at the tender age of 14, Cal touched his first computer. (We're using the term "computer" loosely here, it was a TRS-80 Model 1) Since then his life has never been the same. He graduated from TRS-80s to Commodores and eventually to IBM PCs.   For the past 10 years, Cal has worked with PHP and MySQL on Linux OSX, and when necessary, Windows. He has built on a variety of projects ranging in size from simple web pages to multi-million dollar web applications. When not banging his head on his monitor, attempting a blood sacrifice to get a particular piece of code working, he enjoys building and managing development teams using his widely imitated but never patented management style of "management by wandering around". Cal is happily married to wife 1.33, the lovely and talented Kathy. Together they have 2 kids who were both bright enough not to pursue a career in IT. Cal blogs at and is the founder and host of Nomad PHP