What you should know about: Dynamic Includes

Created By Eric Gach [eric] on July 29, 2008

Welcome to my "What you should know about X" series. Over the next few weeks/months, I will be writing more tutorials on things that I've learned through my experiences with PHP on a daily basis that I think everyone else should know. This series will be a series of tutorials showing good and bad ways of doing whatever the subject is, and explaining why each is good and each is bad. I will also include tutorials that will show how to do some basic and advanced things. This week we're discussing a very important issue called "Dynamic Includes" that I've come across a lot by using PHP and helping other users that use PHP to build their professional and personal websites. There's a lot of bad tutorials out there that can mislead an inexperienced programmer to thinking that user input is safe and does not need to be checked. This, of course, is WRONG. User input should never be trusted and should always be vigorously checked no matter the situation. Not just because it can be malicious, but because people make mistakes. I might cover this in another article, but it is something to take into consideration when using dynamic includes that are based upon user input. Lets move on.
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