puzzle-org / amqp

        $offset = 0;

        $playhead = 0;

        while($offset < $length)

        {

            $content = substr($wholeContent, $offset, $this->chunkSize->toBytes());

            $playhead++;

            $chunk = new Chunk($playhead, $offset, $content, $this->metadata);

            yield $chunk;

            $offset += $chunk->size();

            unset($chunk, $content);

        }

    }

    public function isChunked()

        $stream = fopen($this->filepath, 'r');

        while(! feof($stream))

        {

            $content = fread($stream, $this->chunkSize->toBytes());

            $playhead++;

            $chunk = new Chunk($playhead, $offset, $content, $this->metadata);

            yield $chunk;

            $offset += $chunk->size();

            unset($chunk, $content);

        }

        fclose($stream);

    }