title: How to get POST params in beforeFilter in AppController?
body: <p>I would like to know how can i get POST params of request to any controller (whole app)?</p>
  
  <p>I tried to do it by this way:</p>
  
  <pre><code>public function beforeFilter() {
      parent::beforeFilter();
      var_dump( $this-&gt;request-&gt;data);
      die();
  }
  </code></pre>
  
  <p>But response is an empty array.</p>
  
  <p>How can I solve it?</p>