| 
<?php
$request = trim(strtolower($_REQUEST['email']));
 $emails = array('[email protected]', '[email protected]', '[email protected]', '[email protected]', '[email protected]', '[email protected]');
 $valid = 'true';
 foreach($emails as $email) {
 if( strtolower($email) == $request )
 $valid = '"Thats already taken."';
 }
 echo $valid;
 ?>
 |