ii Framework: label hint v2

Register.php

<?php

class Register extends User
{
	/**
	 * @var string パスワード(確認)
	 */
	public $verifyPassword;
  
	/**
	 * @var string 認証コード
	 */
	public $verifyCode;
	
	/**
	 * @see CModel::attributeLabels()
	 */
	public function attributeLabels()
	{
		return array(
			'username' => 'ユーザ名',
			'email' => 'メールアドレス',
			'password' => 'パスワード',
			'verifyPassword' => 'パスワード(確認)',
			'verifyCode' => '認証コード',
		);
	}
	
	...

register.phtml

新規登録を行います<br />
以下のフォームに必要な情報を入力してください

<div class="form">
	<?php echo CHtml::statefulForm(); ?>
		<?php echo CHtml::errorSummary($register, ''); ?>
		
		<div class="row">
			<?php echo CHtml::activeLabel($register, 'username'); ?>
			<?php echo CHtml::activeTextField($register, 'username', array('maxlength' => 32)); ?>
			半角英数字で<?php echo $register->usernameMinLength.'～'.$register->usernameMaxLength; ?>文字以内
			
		</div>
		<div class="row">
			<?php echo CHtml::activeLabel($register, 'email'); ?>
			<?php echo CHtml::activeTextField($register, 'email', array('maxlength' => 32)); ?>
			例: [email protected]
		</div>
		<div class="row">
			<?php echo CHtml::activeLabel($register, 'password'); ?>
			<?php echo CHtml::activePasswordField($register, 'password', array('maxlength' => 64)); ?>
			半角英数字で<?php echo $register->passwordMinLength; ?>文字以上
		</div>
		<div class="row">
			<?php echo CHtml::activeLabel($register, 'verifyPassword'); ?>
			<?php echo CHtml::activePasswordField($register, 'verifyPassword', array('maxlength' => 64)); ?>
		</div>
		
		<?php if (CCaptcha::checkRequirements()): ?>
		<div class="row">
			<?php $this->widget('CCaptcha'); ?>
			<?php echo CHtml::activeLabel($register, 'verifyCode'); ?>
			<?php echo CHtml::activeTextField($register, 'verifyCode'); ?>
			上に表示されている文字を入力してください
		</div>
		<?php endif; ?>
		
		<div class="row">
			<?php echo CHtml::submitButton('入力した内容を確認する', array('name' => 'confirm')); ?>
		</div>
		
	<?php echo CHtml::endForm(); ?>
</div><!-- /.form -->
<?php endif; ?>

User.php

<?php

class User extends ActiveRecord
{
	public $usernameMinLength;
	public $usernameMaxLength;
	public $passwordMinLength;
	public $passwordMaxLength;
	
	/**
	 * @see CActiveRecord::init()
	 */
	public function init()
	{
		$this->usernameMinLength = Yii::app()->getModule('user')->usernameMinLength;
		$this->usernameMaxLength = Yii::app()->getModule('user')->usernameMaxLength;
		$this->passwordMinLength = Yii::app()->getModule('user')->passwordMinLength;
		$this->passwordMaxLength = Yii::app()->getModule('user')->passwordMaxLength;
	}
	
	...