Torrent::offset PHP Method

    public function offset()
    {
        $files = array();
        $size = 0;
        if (isset($this->info['files']) && is_array($this->info['files'])) {
            foreach ($this->info['files'] as $file) {
                $files[self::path($file['path'], $this->info['name'])] = array('startpiece' => floor($size / $this->info['piece length']), 'offset' => fmod($size, $this->info['piece length']), 'size' => $size += $file['length'], 'endpiece' => floor($size / $this->info['piece length']));
            }
        } elseif (isset($this->info['name'])) {
            $files[$this->info['name']] = array('startpiece' => 0, 'offset' => 0, 'size' => $this->info['length'], 'endpiece' => floor($this->info['length'] / $this->info['piece length']));
        }
        return $files;
    }