Puli\Repository\FilesystemRepository::removeResource PHP Method

    private function removeResource($filesystemPath, &$removed)
    {
        // Skip paths that have already been removed
        if (!file_exists($filesystemPath)) {
            return;
        }
        $this->removeVersions($this->getPath($filesystemPath));
        ++$removed;
        if (is_dir($filesystemPath) && !is_link($filesystemPath)) {
            $iterator = $this->getDirectoryIterator($filesystemPath);
            foreach ($iterator as $childFilesystemPath) {
                // Remove children and child versions
                $this->removeResource($childFilesystemPath, $removed);
            }
        }
        $this->filesystem->remove($filesystemPath);
    }