use pocketmine\network\mcpe\NetworkSession; class ChunkRadiusUpdatedPacket extends DataPacket{ const NETWORK_ID = ProtocolInfo::CHUNK_RADIUS_UPDATED_PACKET; public $radius; public function decode(){ } public function encode(){ $this->reset(); $this->putVarInt($this->radius); } public function handle(NetworkSession $session) : bool{ return $session->handleChunkRadiusUpdated($this); } }