php เกี่ยวกับ ภาษาไทยครับ ตอนรันหน้าเว็บเพจบน localhost ใช้งานได้ปกติ แต่พอรันบนเซพเวอร์จริงภาษาไทยรวนครับ

<?php
require("map_connect.php");

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; 
} 

$connection=mysql_connect ($hostname, $username, $password);
mysql_query("SET NAMES UTF8",$connection); 
if (!$connection) {
die('Not connected : ' . mysql_error());
}

$db_selected = mysql_select_db($database, $connection);
if (!$db_selected) {
die ('Can\'t use db : ' . mysql_error());
}

$query = "SELECT * FROM map_samutsongkhram WHERE 1";
$result = mysql_query($query);
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 'name="' . parseToXML($row['name_mk']) . '" ';
echo 'address="' . $row['address_mk'] . '" ';
echo 'lat="' . $row['lat_mk'] . '" ';
echo 'lng="' . $row['lng_mk'] . '" ';
echo 'type="' . $row['type_mk'] . '" ';
echo 'datamap="' . $row['data_map'] . '" ';
echo '/>';

}

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

<?
$username="root";
$password="1234";
$database="vijai";
$hostname ="localhost";
?>