From 4b6d493593b7400b7fa81d976fd3dc07ad30fe86 Mon Sep 17 00:00:00 2001
From: Derek Allard
Date: Sun, 7 Dec 2008 17:04:56 +0000
Subject: changed some code in examples from validation->set_rules($rules);
Your controller should now look like this:
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Then add a new function called username_check to your controller. Here's how your controller should look: