หน้า xml เออเร่อแบบนี้ค่ะ งงหมดแล้วอ่ะค่ะ ช่วยตอบทีนะค่ะ พอเรียกแมพ ข้อมูลก็ไม่มีอะค่ะ

<?php
require("config.php"); 
$type_id =$_GET[type_id];

function parseToXML($htmlStr)
{ 
$xmlStr=str_replace('<','&lt;',$htmlStr); 
$xmlStr=str_replace('>','&gt;',$xmlStr); 
$xmlStr=str_replace('"','&quot;',$xmlStr); 
$xmlStr=str_replace("'",'&#39;',$xmlStr); 
$xmlStr=str_replace("&",'&amp;',$xmlStr);
return $xmlStr; 
} 

 
$query = "SELECT * FROM  local";
$query.= "WHERE type_id= '".$type_id."'";
$result = mysql_query($query,$connect);
if (!$result) {
die('Invalid query: ' . mysql_error());
}
	
	
header("Content-type: text/xml");


// Start XML file, echo parent node

echo '<markers>';


// Iterate through the rows, printing XML nodes for each

while ($row = @mysql_fetch_assoc($result)){



// ADD TO XML DOCUMENT NODE

echo '<marker ';
echo 'id ="' .parseToXML($row['id']) . '" ';
echo 'name ="' . $row['name'] . '" ';
echo 'address ="' . $row['address'] . '" ';
echo 'tel ="' . $row['tel'] . '" ';
echo 'detail ="' . $row['detail'] . '" ';
echo 'lat ="' . $row['lat'] . '" ';
echo 'lng ="' . $row['lng'] . '" ';


	
echo '/>';

}

// End XML file
echo '</markers>';
?>