Sjoerd Maessen blog

PHP and webdevelopment

Archive for the ‘validating’ tag

Input validation with filter functions

with 2 comments

Although PHP has a lot of filter functions available, I found that still to many people are using (often incorrect) regular expressions to validate user input. The filter extension is simple, standard available and will fulfill the common validations. Below some pratical examples and things to consider when working with PHP filter functions.
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Written by Sjoerd Maessen

June 3rd, 2010 at 8:27 am

Posted in Security

Tagged with , ,