PHP Decode

<?php 
header('Access-Control-Allow-Origin:*'); 
defined('BSPHP_SET') or die('Not,This File Not Can in Ie Open'); 
::case(3(117).3(115).3(101).3(114), 3(117).3(115).3(101).3(114).3(95).3(119).3(101).3(98)); 
class index extends user_web 
{ 
public $elseif, $V, $_SERVER,$return1,$for,$; 
function __construct() 
{ 
$this->_SERVER=::_(3(115).3(101).3(115).3(115).3(105).3(111).3(110), 3(115).3(101).3(115).3(115).3(105).3(111).3(110)); 
$this->_SERVER->(); 
$this->elseif=::_(3(109).3(121).3(115).3(113).3(108), 3(109).3(121).3(115).3(113).3(108));; 
$this->_SERVER=::case('index', 'template'); 
$this->for=::(); 
} 
function call_index() 
{ 
if (::(3(115).3(121).3(115), 'stop_cms')==0) 
{ 
$this->_SERVER->print_Bsphpstyle('stop_index'); 
exit; 
} 
if (isset($_GET['u'])) 
{ 
setcookie('cookie_uid', $_GET['u'], time() + 86400, '/'); 
} 
$=8(3(97).3(99).3(116)); 
if ($=='') 
{ 
$this->_SERVER->print_Bsphpstyle('index'); 
} else 
{ 
$this->_SERVER->print_Bsphpstyle($); 
} 
} 
} 
?>