1.	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
2.		"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
3.	<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
4.	<head>
5.		<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
6.		<title>Variables and Comments</title>
7.	</head>
8.	<body>
9.	<pre>
10.	<?php // Script 2.2
11.	
12.	// Define my variables....
13.	
14.	$year = 2009; // The current year.
15.	$june_avg = 88; // The average temperature for the month of June.
16.	$page_title = 'Weather Reports'; // A title for the page.
17.	
18.	// ... and so forth.
19.	
20.	?>
21.	</pre>
22.	</body>
23.	</html>