pocketmine\block\RedstoneBlock::BroadcastRedstoneUpdate PHP Method

    public function BroadcastRedstoneUpdate($type, $power)
    {
        for ($side = 0; $side <= 5; $side++) {
            $around = $this->getSide($side);
            $this->getLevel()->setRedstoneUpdate($around, Block::REDSTONEDELAY, $type, $power);
        }
    }