Website nur bestimmten Ländern zugänglich machen?

<?php
function getCountry(){
    echo "In getCountry<br>";

    $intIp = $_SERVER['REMOTE_ADDR'];
    $strFallBack = 'DE';
    $webSrv1 = 'http://geoip.wtanaka.com/cc/';
    $webSrv2 = 'http://freegeoip.net/xml/';
    $webSrv3 = 'http://ip2country.sourceforge.net/ip2c.php?format=XML';
    // webservice 1 probieren $webSrv1
    $strCountryIso = file_get_contents($webSrv1.$intIp);
    echo "$strCountryIso<br>";

    if(strtoupper($strCountryIso) == 'ZZ'){
        // webservice 2 probieren $webSrv2
        $objCountryIsoXml = simplexml_load_file($webSrv2.$intIp);
        if($objCountryIsoXml->CountryCode == 'RD'){
            // webservice 3 probieren $webSrv3
            $objCountryIsoXml = simplexml_load_file($webSrv3);
            if($objCountryIsoXml->country_code != 'RD'){
                return strtoupper($objCountryIsoXml->country_code);
            }else{
                //hier angekommen failen alle 3 services
                return $strFallBack;
            }
        }else{
            return strtoupper($objCountryIsoXml->CountryCode);
        }

    }else{
        return strtoupper($strCountryIso);
    }
}
//Oben ist das Skript von synaptic von www.forum-hilfe.de - Stand 10.07.2012


$arrAllowed = array('DE','CH','ES','IT','LU','BE','SE','PL','CZ','HU','NO','LV','JP','MT','RO','RU','UA','GR','CY','BG','DK','US','CA','EE');
$strIsoCountry = getCountry();
echo "$strIsoCountry<br/>";
if (in_array($strIsoCountry, $arrAllowed))
{
  echo "in_array<br>";

  if ($strIsoCountry == 'DE') 
  {
    // do nothing
  } 
  elseif ($strIsoCountry == 'CH') 
  {
    // do nothing
  } 
  elseif ($strIsoCountry == 'ES') 
  {
    // do nothing
  } 
  elseif ($strIsoCountry == 'IT') 
  {
    // do nothing
  }
  elseif ($strIsoCountry == 'LU') 
  {
    // do nothing
  }
  elseif ($strIsoCountry == 'BE') 
  {
    // do nothing
  }
  elseif ($strIsoCountry == 'SE') 
  {
    // do nothing
  }
  elseif ($strIsoCountry == 'PL') 
  {
    // do nothing
  }
  elseif ($strIsoCountry == 'CZ') 
  {
    // do nothing
  }
  elseif ($strIsoCountry == 'HU') 
  {
    // do nothing
  }
  elseif ($strIsoCountry == 'NO') 
  {
    // do nothing
  }
  elseif ($strIsoCountry == 'LV') 
  {
    header("Location: http://www.testdomain1234.de/page2.php");
    exit;
  }
  elseif ($strIsoCountry == 'MT') 
  {
    header("Location: http://www.testdomain1234.de/page2.php");
    exit;
  }
  elseif ($strIsoCountry == 'RO') 
  {
    header("Location: http://www.testdomain1234.de/page2.php");
    exit;
  }
  elseif ($strIsoCountry == 'RU') 
  {
    header("Location: http://www.testdomain1234.de/page2.php");
    exit;
  }
  elseif ($strIsoCountry == 'UA') 
  {
    header("Location: http://www.testdomain1234.de/page2.php");
    exit;
  }
  elseif ($strIsoCountry == 'JP') 
  {
    header("Location: http://www.testdomain1234.de/page2.php");
    exit;
  }
  elseif ($strIsoCountry == 'CY') 
  {
    header("Location: http://www.testdomain1234.de/page2.php");
    exit;
  }
  elseif ($strIsoCountry == 'BG') 
  {
    header("Location: http://www.testdomain1234.de/page2.php");
    exit;
  }
  elseif ($strIsoCountry == 'DK') 
  {
    header("Location: http://www.testdomain1234.de/page2.php");
    exit;
  }
  elseif ($strIsoCountry == 'GR') 
  {
    header("Location: http://www.testdomain1234.de/page2.php");
    exit;
  }
  elseif ($strIsoCountry == 'US') 
  {
    header("Location: http://www.testdomain1234.de/page2.php");
    exit;
  }
  elseif ($strIsoCountry == 'CA') 
  {
    header("Location: http://www.testdomain1234.de/page2.php");
    exit;
  }
  elseif ($strIsoCountry == 'EE') 
  {
    header("Location: http://www.testdomain1234.de/page2.php");
    exit;
  }
}
else
{
  echo "Im else-Zweig";
  header("Location: http://www.testdomain1234.de/page5.php");  
  exit;
}
?>