Habari\AdminThemesHandler::get_activate_theme PHP Method

    public function get_activate_theme()
    {
        $theme_name = $_GET['theme_name'];
        $theme_dir = $_GET['theme_dir'];
        $activated = false;
        if (isset($theme_name) && isset($theme_dir)) {
            $activated = Themes::activate_theme($theme_name, $theme_dir);
        }
        if ($activated) {
            Session::notice(_t("Activated theme '%s'", array($theme_name)));
        }
        Utils::redirect(URL::get('display_themes'));
    }