Exactly! We all know SQL injections can be a common mistake. And the example php code is just that: An example. My focus wasn't the php code, or how to avoid th

Exactly! We all know SQL injections can be a common mistake. And the example php code is just that: An example. My focus wasn't the php code, or how to avoid this exploit, most of us already know that. But like you said the point is the interesting usage of SQL in this particular situation. Glad you liked the post =)