ForkCMS\Bundle\InstallerBundle\Service\ForkInstaller::deleteCachedData PHP Method

    private function deleteCachedData()
    {
        $finder = new Finder();
        $filesystem = new Filesystem();
        foreach ($finder->files()->in(BACKEND_CACHE_PATH)->in(FRONTEND_CACHE_PATH) as $file) {
            /** @var $file \SplFileInfo */
            $filesystem->remove($file->getRealPath());
        }
    }