php download ภาษาไทยไม่ได้ เมื่อใช้บน linuk php download ภาษาไทยไม่ได้ เมื่อใช้บน linuk

<?
$var = 123;
echo "<a href=\"download.php?id=$var\">$var</a>";
?>

<?
$var = 123;
echo "<a href=\"download.php?id=".urlencode($var)."\">".$var."</a>";
?>

echo "<td><div align=center><a href = \"download.php?url=".urlencode($url.$arr[2])."&id=".urlencode($arr[2])."\">".$arr[2]."</a>";

<?php
                                                                 include"../Connections/connect.php";
                                                               mysql_query("Set Names  'tis620' ");
 
 
                                                             if(isset($_GET['url']) and $_GET[id]){
                                               $sql=" UPDATE `tbl_books` SET `view` = `view` +1 WHERE `name_load` = '$_GET[id]'";  
                                                                              $qq=mysql_query($sql);
                                                                               $url = $_GET[url];
									 
                                                      echo"<META HTTP-EQUIV=\"REFRESH\" CONTENT=\"1; URL=$url\">";
                                                       
 
 
                                                                            }

?>