php redirect based on browser language - Irish SEO, Marketing & Webmaster Discussion

Cormac · #1 (**permalink**) 26-03-2008, 05:50 PM

Hi guys,
I have the following script which should redirect a user if they are using a Polish browser to a specific page. I have asked a Polish friend to test it using his Polish version of Firefox but he said he didn't work. Here is the code:

PHP Code:

  <? 
function redirect()
  {
  $lang = $_SERVER['HTTP_ACCEPT_LANGUAGE'];

    switch($lang){
        case 'pl':
            $redir_url = "http://www.google.pl";
            break;
        default:
        case 'en':
            $redir_url = "http://www.allotherbrowsers.com/landingpage.php";
            break;
    }
    header("Location: $redir_url");
}
redirect();


?>

He says he gets brought to allotherbrowsers.com/landingpage.php instead of google.pl

Can anyone spot the problem?

louie · #2 (**permalink**) 26-03-2008, 05:56 PM

did you try echo the result to see what's going on?

PHP Code:

  function redirect()
  {
  $lang = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
echo $lang; exit();//comment this when finished
 
    switch($lang){
        case 'pl':
            $redir_url = "http://www.google.pl";
            break;
        default:
        case 'en':
            $redir_url = "http://www.allotherbrowsers.com/landingpage.php";
            break;
    }
    header("Location: $redir_url");
}
redirect();

Cormac · #3 (**permalink**) 26-03-2008, 08:12 PM

the echoed result is - pl,en-us;q=0.7,en;q=0.3

That agent seems a bit odd. I downloaded the Polish version of Firefox myself to test. I opened a browser-language.php file in the browser and it displayed the following information - Mozilla/5.0 (Macintosh; U; Intel Mac OS X; pl; rv:1.8.1.13) Gecko/20080311 Firefox/2.0.0.13

I'm stumped!

Cormac · #4 (**permalink**) 26-03-2008, 08:26 PM

I tired some alternative code and it works:

PHP Code:

  <?php 

$lang = ($_SERVER['HTTP_ACCEPT_LANGUAGE']); 

 
if(ereg("pl", $lang)) { 

    header("location: http://google.pl"); 

} else { 

    header("location: http://google.com"); 

} 

?>

louie · #5 (**permalink**) 26-03-2008, 08:56 PM

of course it does because ereg looks for the match (in this case "pl") and if found returns true.
You can also use preg_match which is faster as it's Perl-compatible.

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