Secure your Web applications by validating user input with PHP and PEAR classes

Most experienced Web developers are acutely aware that the single most vulnerable point of any Web application is its forms. For this reason, input validation is an important part of securing your Web application and creating a more robust technological system. If you use PHP this task is significantly simplified by the PEAR Validate class, which provides ready-made methods for common user validation tasks. This download lists the more useful PHP validation tools and explains how you can use them to increase the overall security of your Web applications.

>Are you validating user input in your Web applications (as you most definitely should be)?

This download is also available as a TechRepublic article.