SQL Injection :: What It Is, And How To Prevent It

This was originally posted by me at </dream.in.code>. (link)

SQL Injection is a form of hacking that has taken down innumerable amounts of websites, and it’s no comforting idea that your site could be next. In this tutorial, I will give you a brief synopsis of what SQL Injection really is, and how to protect your website from it. This tutorial assumes that you have a fairly good knowledge of PHP, you understand GET and POST methods, and you have used and at least partly understand SQL.