URL redirect on browser language detection

Question

I'm using the Browser Sniff plugin to detect for the browser language on a multilangiage site using Transcribe plugin. It's working for detecting the browser language. I want to redirect users with their browser set to Chinese(zh) to the same url with "zh" as segment_1. So the site currently will display English at www.site.com/page and chinese at www.site.com/zh/page. Now I want to redirect users with their browser set to Chinese from www.site.com/page to www.site.com/zh/page.

I tried this, but it results in a redirect loop:

{exp:browser_sniff available_languages="en|zh"}
{if browser_sniff_negotiated_language == "zh"}
     {redirect="zh/{uri_string}"}
{/if}
{/exp:browser_sniff}

Any ideas?

Answer 1

The loop occurs because you're testing again and again and again...

Try this:

{exp:browser_sniff available_languages="en|zh"}
    {if browser_sniff_negotiated_language == "zh"}
         {if browser_sniff_negotiated_language != "{segment_1}"}
             {redirect="zh/{uri_string}"}
         {/if}
    {/if}
{/exp:browser_sniff}

---

update

Since Transcribe doesn't count the language for your segment_1, use {exp:transcribe:language_abbreviation}. If you're already using this same variable on your template and having parsing issues, add a different parameter to one of them or use the random parameter.

{exp:browser_sniff available_languages="en|zh"}
    {if browser_sniff_negotiated_language == "zh"}
         {if browser_sniff_negotiated_language != "{exp:transcribe:language_abbreviation random}"}
             {redirect="zh/{uri_string}"}
         {/if}
    {/if}
{/exp:browser_sniff}

EECMS template parser replaces all instances of a same variable by a placeholder text to prevent evaluate them more than once. Sometimes, it happens the instances are in different scopes and not all of them are parsed back. So, use the random parameter.