title: Cascading hydrate with DoctrineHydrator
body: <p>Is it possible?</p>
  
  <pre><code>    $hydrator = $this-&gt;getServiceLocator()-&gt;get('DoctrineHydrator');
      $hydrator-&gt;hydrate((array) $data, $PlatformEntity);
  </code></pre>
  
  <p>Hydrator hydrate only 1 level of array. </p>