pocketmine\item\Item::hasRepairCost PHP Method

    public function hasRepairCost() : bool
    {
        if (!$this->hasCompoundTag()) {
            return false;
        }
        $tag = $this->getNamedTag();
        if (isset($tag->RepairCost)) {
            $tag = $tag->RepairCost;
            if ($tag instanceof IntTag) {
                return true;
            }
        }
        return false;
    }