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Filtering input data

Posted on 22. Sep, 2008 by Nikhil Sheth.

This guide goes over the basics of cleaning user input for safe use. This includes escaping strings correctly, stripping html and tags, preventing SQL injection, and other security issues. Anytime you use a $_POST, $_GET, or are receiving any information that the user can modify, you must be sure that you properly escape it, and [...]

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