title: validate textarea in cakephp
body: <p>I want to validate textarea as not empty!but this code is not working and this is not showing me an validate error message from model! my code is as below,</p>
  
  <p>
  
  <pre><code>public $validate = array(
      'address' =&gt; array(
          'rule' =&gt; array('validateAddress'),
          'message'  =&gt; 'Address is required',
      ),
  );    
  
  public function validateAddress() {
      if(empty($this-&gt;data[$this-&gt;alias]['address'])) {
          debug('hi');
          return true;
      }
      return true;
  }
  </code></pre>
  
  <p>}</p>
  
  <p>please help me for textarea validation in cakephp! Any suggestions are welcomed! </p>