mod_rewrite
Php-CNC with htaccess
There is a wordpress with htaccess
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILEN ... work out:
RewriteCond %{HTTP_HOST} ^site.com$ [NC]
RewriteRule ^/(.*)$ http://en.site.ru/$1/ [L]
Thank you for your advice.