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Joe Topjian

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I'm Joe Topjian from Calgary, Alberta. I'm seeing how long I can hack it as a freelance Systems Administrator and Web Developer before I have to go back to a cube.
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Sanitize and Validate Data with PHP Filters

Sanitize and Validate Data with PHP Filters

Joe Topjian on Jan 15th 2009 with 88 comments

Data validation is an integral part of working with forms. Not only can invalid submitted data lead to security problems, but it can also break your webpage. Today, we’ll take a look at how to remove illegal characters and validate data by using the “filter_var” function.

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