title: Load model or $uses array which need to be used ? while we accessing other models
body: <p>I have a users controllers, I need to use photos model on that users_controllers
  which can i use to access that model from the following and which is standard to use?</p>
  
  <pre><code>$this-&gt;loadModel('Photo');
  </code></pre>
  
  <p>or </p>
  
  <pre><code>var $uses =array('User','Photo');
  </code></pre>
  
  <p>Load model or $uses array which need to be used ?</p>