title: PHP - Concatenate object class name
body: <p>Is is possible to concatenate an object's name?
  The below doesn't seem to work..</p>
  
  <p>Trying to call $node->field_presenter_en;</p>
  
  <pre><code>$lang = 'en';
  
  $node-&gt;field_presenter_.$lang;
  
  ${$node-&gt;field_presenter_.$lang};
  </code></pre>
  
  <p>Thanks!</p>