title: phpfox: how to print_r variables?
body: <p>I have that in controller: </p>
  
  <pre><code>$aUser = Phpfox::getUserBy('user_name');
  </code></pre>
  
  <p>How to print_r the content of $aUser (for debugging process to see the content of that object) ?</p>
  
  <p>I tried print_r(aUser) in controller: NO OUTPUT</p>
  
  <p>I tied {$aUser}in templates: output Array()</p>