pocketmine\Player::setDataProperty PHP Метод

    public function setDataProperty($id, $type, $value)
    {
        if (parent::setDataProperty($id, $type, $value)) {
            $this->sendData($this, [$id => $this->dataProperties[$id]]);
            return true;
        }
        return false;
    }

 /**
  * Set the Vanish mode on or off
  *
  * @param Player $player
  * @param bool $state
  * @param bool $noPacket
  * @return bool
  */
 public function setVanish(Player $player, $state, $noPacket = false)
 {
     if (!is_bool($state)) {
         return false;
     }
     if ($this->invisibilityEffect === null) {
         $effect = new Effect(Effect::INVISIBILITY, "Vanish", 127, 131, 146);
         $effect->setDuration(1728000);
         // 24 hours... Well... No one will play more than this, so I think its OK xD
         $this->invisibilityEffect = $effect;
     }
     $this->getServer()->getPluginManager()->callEvent($ev = new PlayerVanishEvent($this, $player, $state, $noPacket));
     if ($ev->isCancelled()) {
         return false;
     }
     $state = $ev->willVanish();
     $player->setDataFlag(Entity::DATA_FLAGS, Entity::DATA_FLAG_INVISIBLE, $state);
     $player->setDataProperty(Entity::DATA_SHOW_NAMETAG, Entity::DATA_TYPE_BYTE, $state ? 0 : 1);
     /** @var Player[] $pl */
     $pl = [];
     foreach ($player->getLevel()->getPlayers() as $p) {
         if ($state || !$state && !in_array($p->getName(), $ev->getHiddenFor())) {
             $pl[] = $p;
         }
     }
     $noPacket = $ev->noPacket();
     if ($this->isVanished($player) && $ev->noPacket() !== ($priority = $this->hasNoPacket($player))) {
         $noPacket = $priority;
     }
     if (!$noPacket) {
         if (!$state) {
             $pk = new MobEffectPacket();
             $pk->eid = $player->getId();
             $pk->eventId = MobEffectPacket::EVENT_REMOVE;
             $pk->effectId = $this->invisibilityEffect->getId();
         } else {
             $pk = new MobEffectPacket();
             $pk->eid = $player->getId();
             $pk->effectId = $this->invisibilityEffect->getId();
             $pk->amplifier = $this->invisibilityEffect->getAmplifier();
             $pk->particles = $this->invisibilityEffect->isVisible();
             $pk->duration = $this->invisibilityEffect->getDuration();
             $pk->eventId = MobEffectPacket::EVENT_ADD;
         }
         $this->getServer()->broadcastPacket($pl, $pk);
     } else {
         if (!$state) {
             foreach ($pl as $p) {
                 $p->showPlayer($player);
             }
         } else {
             foreach ($pl as $p) {
                 $p->hidePlayer($player);
             }
         }
     }
     $this->getSession($player)->setVanish($state, !$state ? $ev->noPacket() : $noPacket);
     return true;
 }