Sulu\Bundle\MediaBundle\Media\Manager\MediaManager::getNormalizedFileName PHP Method

    private function getNormalizedFileName($originalFileName)
    {
        if (strpos($originalFileName, '.') !== false) {
            $pathParts = pathinfo($originalFileName);
            $fileName = $this->pathCleaner->cleanup($pathParts['filename']);
            $fileName .= '.' . $pathParts['extension'];
        } else {
            $fileName = $this->pathCleaner->cleanup($originalFileName);
        }
        return $fileName;
    }