Admin_AssetController::getSafeFilename PHP Метод

    protected function getSafeFilename($targetPath, $filename)
    {
        $originalFilename = $filename;
        $count = 1;
        if ($targetPath == "/") {
            $targetPath = "";
        }
        while (true) {
            if (Asset\Service::pathExists($targetPath . "/" . $filename)) {
                $filename = str_replace("." . File::getFileExtension($originalFilename), "_" . $count . "." . File::getFileExtension($originalFilename), $originalFilename);
                $count++;
            } else {
                return $filename;
            }
        }
    }