title: Use view helpers in controllers in Zend Framework
body: <p>I have a controller that is called with AJAX (sends JSON data), so I don't use a view.</p>
  
  <p>I need to use a personnal <strong>view helper</strong> to format my data, but <strong>in my controller</strong>.</p>
  
  <p><strong>Is that possible ?</strong></p>
  
  <p>Or maybe I am <a href="http://www.breakitdownblog.com/wp-content/uploads/2008/02/doing_it_wrong_bike.jpg" rel="noreferrer">doing it wrong</a> (maybe I should have a view, but how with JSON) ?</p>