<!DOCTYPE html>
<html>
<body>

<?php 
if (isset($_GET['heading'])) { 
  echo "<h1>" . $_GET['heading'] . "</h1>\n"; 
} else if (isset($_POST['heading'])) { 
  echo "<h1>" . $_POST['heading'] . "</h1>\n"; 
} else { 
?>
<h1>My First Heading</h1>
<?php 
} 
?>

<?php 
if (isset($_GET['paragraph'])) { 
  echo "<p>" . $_GET['paragraph'] . "</p>\n"; 
} else if (isset($_POST['paragraph'])) {
 echo "<p>" . $_POST['paragraph'] . "</p>\n"; 
} else { 
?>
<p>My first paragraph.</p>
<?php
} 
?>

</body>
</html>
