title: use desc for data sort in cakePHP
body: <p>I write function for view data with order desc but that not work!</p>
  
  <p>my function is:</p>
  
  <pre><code> $this-&gt;loadModel('User');
      $users = $this-&gt;User-&gt;find('first', array(
          'order' =&gt; array('User.id' =&gt; 'desc')
      ));
  </code></pre>
  
  <p>I can't use order desc in cakephp 2.6.7 controller, how can i correct my function ?</p>