title: Crazy xhr error
body: <p><img src="https://i.stack.imgur.com/YFrco.png" alt="Crazy xhr error"></p>
  
  <p>Also on the server side error_log:</p>
  
  <pre><code>PHP Notice:  Undefined index:  theid in /.../postsForExtension.php on line 27
  </code></pre>
  
  <p>That code: </p>
  
  <pre><code>$personid = strip_tags($_POST['theid']);
  
  Note: $personid is true. 
  </code></pre>