/lib/jquery-validate/demo/milk/users.phps

 1<?php
 2$request = trim(strtolower($_REQUEST['value']));
 3$users = array('asdf', 'Peter', 'Peter2', 'George');
 4$valid = 'true';
 5foreach($users as $user) {
 6	if( strtolower($user) == $request )
 7		$valid = 'false';
 8}
 9echo $valid;
10?>