title: trying to use wp_update_user - not working properly
body: <p>I am trying to use the wp_update_user,but it does not show the proper output.
  I try this:</p>
  
  <pre><code>&lt;?php  
  $user_id = 7;
  $user_login = 'Manpreet Kaur';
  $user_id = wp_update_user( array( 'ID' =&gt; $user_id, 'user_login' =&gt; $user_login ) );
  print_r($user_id);
  ?&gt;
  </code></pre>
  
  <p>When i run this then it produce this output:
  <a href="https://i.stack.imgur.com/SCEjs.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/SCEjs.png" alt="enter image description here"></a></p>