PHP Decode

<?php $zona_wib='Asia/Jakarta'; 
$zone_wita='Asia/Makassar'; 
$zone_wit='Asia/Jayapura'; 
 
$db_user = 'root'; 
$db_user0 = 'pmimu'; 
$db_pass = ''; 
$db_host = 'localhost'; 
$server0 = '192.168.10.200'; 
$db_name='uddpmi'; 
$con=mysql_connect("localhost","root","$db_pass"); 
mysql_select_db("$db_name"); 
if (!$con) 
{ 
     echo "tidak dapat connect ke database"; 
        exit; 
} 
$sql=mysql_query("select zonawaktu from utd where aktif='1'"); 
$zonewkt=mysql_fetch_assoc($sql); 
$zonawaktu=$zonewkt['zonawaktu']; 
date_default_timezone_set($zonawaktu); 
$sekarang = new DateTime(); 
$menit = $sekarang -> getOffset() / 60; 
$tanda = ($menit < 0 ? -1 : 1); 
$menit = abs($menit); 
$jam = floor($menit / 60); 
$menit -= $jam * 60; 
$offset = sprintf('%+d:%02d', $tanda * $jam, $menit); 
mysql_query("SET GLOBAL time_zone = '$offset'"); ?>