pocketmine\inventory\AnvilInventory::onRename PHP Метод

    public function onRename(Player $player, Item $resultItem) : bool
    {
        if (!$resultItem->deepEquals($this->getItem(self::TARGET), true, false, true)) {
            //Item does not match target item. Everything must match except the tags.
            return false;
        }
        if ($player->getXpLevel() < $resultItem->getRepairCost()) {
            //Not enough exp
            return false;
        }
        $player->takeXpLevel($resultItem->getRepairCost());
        $this->clearAll();
        if (!$player->getServer()->allowInventoryCheats and !$player->isCreative()) {
            if (!$player->getFloatingInventory()->canAddItem($resultItem)) {
                return false;
            }
            $player->getFloatingInventory()->addItem($resultItem);
        }
        return true;
    }