PHP

<?php
  /**
  * @About  Test Class for Google Prettify
  * @Author Gopal Joshi
  * @Site   www.sgeek.org
  */
  class ClassName extends AnotherClass
  {
    
    function __construct(argument)
    {
      # code...
    }
  }
?>

HTML

<!DOCTYPE html>
<html>
<head>
  <title>Title </title>
</head>
<body>
  <div>
    <!-- HTML Demo -->
    <p>
      Loren lipsum is dummy text.
    </p>
  </div>
</body>
</html>