Nette\Utils\FileSystem::rename PHP Méthode

    public static function rename($name, $newName, $overwrite = TRUE)
    {
        if (!$overwrite && file_exists($newName)) {
            throw new Nette\InvalidStateException("File or directory '{$newName}' already exists.");
        } elseif (!file_exists($name)) {
            throw new Nette\IOException("File or directory '{$name}' not found.");
        } else {
            static::createDir(dirname($newName));
            static::delete($newName);
            if (!@rename($name, $newName)) {
                // @ is escalated to exception
                throw new Nette\IOException("Unable to rename file or directory '{$name}' to '{$newName}'.");
            }
        }
    }

 /**
  * @param string $oldIdGallery
  * @param string $newIdGallery
  * @param string $oldLang
  * @param string $newLang
  */
 public function renameGallery($oldIdGallery, $newIdGallery, $oldLang, $newLang)
 {
     b($oldIdGallery, 'oI');
     b($newIdGallery, 'nI');
     b($oldLang, 'oL');
     b($newLang, 'nL');
     FileSystem::rename(galleryPath . $oldIdGallery . '_' . $oldLang, galleryPath . $newIdGallery . '_' . $newLang);
 }