Youtube Api de Sitemap Yaratma ?

<? 
include("ayarzamani.php"); 
header("Content-Type: text/xml"); 
if(! isset($_GET[sayfa])) $sayfa=1; else $sayfa=$_GET[sayfa]; 
$date=date("Y-m-d");  
if($sayfa=="index"):  
$index_sayi=mysql_num_rows(mysql_query("SELECT id FROM video"));  
$index_sayi=ceil($index_sayi / 6000);  
echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?>  <sitemapindex xmlns=\"http://www.sitemaps.org/schemas/sitemap/0.9\">\n";    
for($i=0; $i<$index_sayi; $i++){   
echo "<sitemap>  <loc>http://".$asiteadresi."/sitemap.php?sayfa=".($i+1)."</loc>  <lastmod>$date</lastmod>  </sitemap>\n";   
}  
echo "</sitemapindex>";   
else:   
$sorgu=mysql_query("SELECT id,title,vid FROM video ORDER BY id ASC LIMIT ".(($sayfa-1)*6000).",5000");    
echo "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>  <urlset xmlns=\"http://www.sitemaps.org/schemas/sitemap/0.9\" xmlns:video=\"http://www.google.com/schemas/sitemap-video/1.0\">\n"; 
while($sonuc=mysql_fetch_assoc($sorgu)):    
echo " 
<url> 
    <loc>http://".$site."/".linkvideo($sonuc[vid],$sonuc[title])."</loc> 
    <video:video> 
    <video:thumbnail_loc>http://i.ytimg.com/vi/".$sonuc[vid]."/default.jpg</video:thumbnail_loc> 
    <video:title>".$sonuc[title]."</video:title> 
    </video:video> 

</url>\n 
"; 
endwhile; 
echo '</urlset>';    
endif;  

?>

This page contains the following errors:

error on line 2 at column 1: Extra content at the end of the document
Below is a rendering of the page up to the first error.

<?php
	
	/* 
	 * SAINTX > sitemap.xml creator
	 * 
	 * @author: SAINTX
	 * @web: http://saintx.net
	 * @mail: im@saintx.net
	 * @date: 05.07.2013
	 */
	# Dosya karakter setini "UTF-8" tipini "text/xml" olarak belirledik.
	header('Content-Type: text/xml; charset=utf-8');
	# XML namespace tagını yazdıralım.
	echo '<?'.'xml version="1.0" encoding="UTF-8"'.'?>';
	# XML sitemap tagını açalım.
	echo '<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">';
	/*
	 * Uzun uzadıya veritabanı vs. işlemler yapmayıp
	 * kısacasa for döngüsüyle bi' örnek göstereyim.
	 */
	for($i = 1; $i <= 10; ++$i) {
		echo '<sitemap>';
			echo '<loc>http://saintx.net/sitemap-'.$i.'.xml</loc>';
			echo '<lastmod>'.date('Y/m/d').'</lastmod>';
		echo '</sitemap>';
	}
	# XML sitemap tagını kapatalım.
	echo '</sitemapindex>';
	
?>