The first folder (lang) is fixed and the "output" should be have only last folder with ".php" extension.
(Is possible to get first folder without create n rule for each language? "/en/blog/")
(Is possible add the slash at the end of the url if not present ? "/en/blog" --> "/en/blog/" )
From:
/it/blog/
To:
/it/blog.php
From:
/it/blog/notizie/
To:
/it/notizie.php
From:
/it/blog/notizie/file/
To:
/it/file.php
You can use this code in your DOCUMENT_ROOT/.htaccess
file:
DirectorySlash On
RewriteEngine On
RewriteBase /
## Add a trailing slash if missing
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{THE_REQUEST} \s/+(.*?)[^/][?/]?\s
RewriteRule [^/]$ %{REQUEST_URI}/ [L,NE,R=301]
RewriteRule ^/?([a-z]{2})/.*?([^/.]+)/$ $1/$2.php [L,NC]