Rewrite and combine query strings for wordpress

Question

I'm working with two plugins with a different language query string setup. The language plugin itself works with mydomain.com/?lang=english (polylang plugin), the other plugin needs to retrieve mydomain.com/?language=english.

How should I rewrite the url so both are working correctly? I've tried the following:

   function languagerewrite() {
     //$language = get_query_var('lang', 1); 
     //get_query_var not working, yet 'lang' is registered Why? 
       if(isset($_GET["lang"])) {
       $language = $_GET["lang"];

      echo esc_url(add_query_arg( 'language', $language ));
      }
    }
    add_action('init', 'languagerewrite', 10, 0);

This will echo the following: ?lang=english&language=english which should work, although I need to rewrite that to a nice url. How can use the printed url? And is this the best way to do this in php or should I rewrite this in htaccess? Thanks.

splash58 · Accepted Answer · 2015-05-20 14:21:09Z

1

Use such htaccess

RewriteEngine on
# two lines to avoid endless redirect. Although you may leave only 1st
RewriteCond %{QUERY_STRING} !lang(.+)language
RewriteCond %{QUERY_STRING} !langage(.+)lang
# Looking for lang or language and saving other get values
RewriteCond %{QUERY_STRING} ^(.+&|)lang(|uage)=([^&]+)(&.+|)$ 
RewriteRule ^(.+)$ /$1?%1lang=%3&language=%3%4 [L]

To try, add R - [R,L] to see redirect in browser address tab

edited May 20, 2015 at 14:21

answered May 20, 2015 at 14:00

splash58

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8 Comments

Trekdrop Over a year ago

Thanks. That's working perfectly. Is it possible to make this also work with pretty urls enabled? When I enable nice permalinks, the polylang will be rewritten like domain.com/language/english/, but the /?language query does not work then anymore.

splash58 Over a year ago

Please, clear what you suupose as input and want you want to achive? Will you still need lang query?

Trekdrop Over a year ago

Well in short I want to have an url like domain.com/language/english/. I tried several things on the rewrite rule but didn't get it correctly yet.

splash58 Over a year ago

with query - domain.com/language/english/?lang=english ? And input url as before - ?lang= or langage= ?

Trekdrop Over a year ago

No without any query. But the language must stay working for both plugins. (so the queries ?lang= or ?language= rewritten to one nice url.

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