title: Can I do something like this: $_REQUEST[$_REQUEST['field_name']]?
body: <p>Can I do something like this?</p>
  
  <pre class="lang-html prettyprint-override"><code>$captcha_results = $_REQUEST[$_REQUEST['field_name']];
  </code></pre>
  
  
  
  <p>I am interested in it, because I try to find out where I've made a mistake.
  Thank you in advance.</p>