Sulu\Bundle\MediaBundle\Media\FormatCache\LocalFormatCache::purge PHP Method

    public function purge($id, $fileName, $options)
    {
        foreach ($this->formats as $format) {
            $path = $this->getPath($this->path, $id, $fileName, $format['key']);
            $this->filesystem->remove($path);
        }
        return true;
    }