pocketmine\level\format\FullChunk::toFastBinary PHP Method

    public function toFastBinary();

 public function __construct(Level $level, FullChunk $chunk)
 {
     $this->state = true;
     $this->levelId = $level->getId();
     $this->chunk = $chunk->toFastBinary();
     $this->chunkClass = get_class($chunk);
 }