Save Image Laravel

public static function saveImage($file,$height = null, $width = "400"){

        if ($file) {

            $destinationPath = public_path() . '/uploads/images/';

            $ext = $file->getClientOriginalExtension();  // Get real extension according to mime type
            $fullname = $file->getClientOriginalName(); // Client file name, including the extension of the client
            $hashname = md5($fullname . time()) . '.' .$ext; // Hash processed file name, including the real extension
            $uploadSuccess = $file->move($destinationPath, $hashname);
            $imagePath = $destinationPath . $hashname;

            $img = \Image::make($imagePath);
            $img->resize($height, $width, function ($constraint) {
                $constraint->aspectRatio();
            });
            $thumbPath = public_path() . '/uploads/images/bin_' . $hashname;

            try {
                $img->save($thumbPath);
            } catch (\Intervention\Image\Exception\NotWritableException $e) {
                $this->logger->writeLog("error", "user " . $this->userRepository->getCurrentUserName() . " tried upload image <b>" . $thumbPath . "</b> and got the following error <code>". $e . "</code> ", "settings");
                return back()->withInput()->withErrors(['errors'=>'Ocorreu um erro ao enviar a imagem relativa ao twittercard']);
            }

            return $hashname;
        }

        return null;
    }