Trouble With Dynamic RSS Feed

Works fine in PHP but it needs to be XHTML.

http://www.crazyassthings.com/rss.php (Works fine)
http://www.crazyassthings.com/rss.xhtml (Errors)

I'm no good with XHTML but I should grasp what you mean.

Any help is appreciated!

<?  
//CHANNEL DETAILS
$chan_title = "Crazyassthings.com"; 
$chan_desc = "Free Movies - Watch Free Movies - Watch Movies Online - Free Movies Online - Download Movies";
$chan_link = "http://www.crazyassthings.com/"; 

 
//DATABASE CONNECTION
$db_user = ''; 
$db_pass = ''; 
$db_host = ''; 
$db_database = ''; 
$db = mysql_connect($db_host, $db_user, $db_pass) or die(mysql_error());
mysql_select_db($db_database); 

//SELECT DATA 
$query = "SELECT id, title, description, img FROM films ORDER BY id DESC LIMIT 10 ";
$result = mysql_query($query) or die(mysql_error()); 
if (mysql_num_rows($result) < 1) { 
    die("No records"); 
} 

//BUILD XML 
$items = ''; 
while ($row = mysql_fetch_assoc($result)) { 
    $item_link = $row["id"];
    $item_title = $row["title"];
    $item_description = $row["description"]; 
	$img_url = $row["img"];
	$views = $row["views"];
    $items .= <<<ITEM

        <item> 


            <title>Watch $item_title Free</title> 
            <link>http://www.crazyassthings.com/movie-preview.php?id=$item_link</link> 
            <description>$item_description</description> 


        </item> 

ITEM;
} 

$content = <<<CONTENT
<?xml version="1.0" encoding="UTF-8"?> 
<rss version="2.0"> 
        <channel> 
                <title>$chan_title</title> 
                <link>$chan_link</link> 
                <description>$chan_desc</description> 
                
$items
        </channel> 
</rss> 

CONTENT;
 
header("Content-type: application/rss+xml"); 
print $content;
 ?>

PHP: