pocketmine\block\Cactus::onUpdate PHP Метод

    public function onUpdate($type)
    {
        if ($type === Level::BLOCK_UPDATE_NORMAL) {
            $down = $this->getSide(0);
            if ($down->getId() !== self::SAND and $down->getId() !== self::CACTUS) {
                $this->getLevel()->useBreakOn($this);
            } else {
                for ($side = 2; $side <= 5; ++$side) {
                    $b = $this->getSide($side);
                    if (!$b->canBeFlowedInto()) {
                        $this->getLevel()->useBreakOn($this);
                    }
                }
            }
        } elseif ($type === Level::BLOCK_UPDATE_RANDOM) {
            if ($this->getSide(0)->getId() !== self::CACTUS) {
                if ($this->meta == 0xf) {
                    for ($y = 1; $y < 3; ++$y) {
                        $b = $this->getLevel()->getBlock(new Vector3($this->x, $this->y + $y, $this->z));
                        if ($b->getId() === self::AIR) {
                            Server::getInstance()->getPluginManager()->callEvent($ev = new BlockGrowEvent($b, new Cactus()));
                            if (!$ev->isCancelled()) {
                                $this->getLevel()->setBlock($b, $ev->getNewState(), true);
                            }
                        }
                    }
                    $this->meta = 0;
                    $this->getLevel()->setBlock($this, $this);
                } else {
                    ++$this->meta;
                    $this->getLevel()->setBlock($this, $this);
                }
            }
        }
        return false;
    }