roundcubemail/program/lib/Roundcube/rcube.php
public function get_user_language()
    {
        if (is_object($this->user)) {
            return $this->user->language;
        }
        else if (isset($_SESSION['language'])) {
            return $_SESSION['language'];
        }
    }
public function get_user_language()
    {
        if (is_object($this->user)) {
            return $this->user->language;
        }
        else if (isset($_SESSION['language'])) {
            return $_SESSION['language'];
        }
    }
public function get_user_language ( ) { if ( is_object ( $ this -> user ) ) { return $ this -> user -> language ; } else if ( isset ( $ _SESSION [ 'language' ] ) ) { return $ _SESSION [ 'language' ] ; } }
Getter for logged user language code.

@return string User language code
Getter for logged user language code .