FileNamingResolver\NamingStrategy\CallbackNamingStrategy::provideName PHP Méthode

    public function provideName(FileInfo $srcFileInfo)
    {
        $func = $this->callback;
        $dstFileInfo = $func($srcFileInfo);
        if (!$dstFileInfo instanceof FileInfo) {
            throw new \RuntimeException(sprintf('Callback naming strategy should return an instance of FileNamingResolver\\FileInfo class'));
        }
        return $dstFileInfo;
    }