pocketmine\Player::checkNetwork PHP Method

    public function checkNetwork()
    {
        if (!$this->isOnline()) {
            return;
        }
        if ($this->nextChunkOrderRun-- <= 0 or $this->chunk === null) {
            $this->orderChunks();
        }
        if (count($this->loadQueue) > 0 or !$this->spawned) {
            $this->sendNextChunk();
        }
        if (count($this->batchedPackets) > 0) {
            $this->server->batchPackets([$this], $this->batchedPackets, false);
            $this->batchedPackets = [];
        }
    }