title: php - Should I call exit() after calling Location: header?
body: <p>After calling the redirect function header, should I call exit or not?</p>
  
  <pre><code>&lt;?php // fileA
  $urlFailToGoTo = '/formerror.php';
  
  if (sth)
  {
     header(sprintf("Location: %s", $urlFailToGoTo));
     exit(); //should I call exit() here? or return?
  }
  
  ?&gt;
  </code></pre>
  
  <p>Thank you</p>