private function changeDirsAndFilesOwnerships($app) { logMessage(L_USER, "Changing ownerships of directories and files"); foreach ($this->install_config['chown_items'] as $item) { $chmown_item = $app->replaceTokensInString($item); if (!OsUtils::chown($chmown_item)) { return "Failed to change ownership for {$chmown_item}"; } } }