if (is_dir(EXTENSIONS . "/{$extension_handle}/text-formatters")) {
            foreach (glob(EXTENSIONS . "/{$extension_handle}/text-formatters/formatter.*.php") as $file) {
                $handle = preg_replace(array('/^formatter\./i', '/\.php$/i'), null, basename($file));

                if (FieldManager::isTextFormatterUsed($handle)) {