Craft What wrong ?

Hello, I tried to update my item but I do not see the problem because it always gives me the original item. I dont have error console

PHP:

<?php

namespace UL\Events;

use pocketmine\block\Block;
use pocketmine\event\Listener;
use pocketmine\Player;
use pocketmine\event\inventory\CraftItemEvent;
use pocketmine\item\enchantment\Enchantment;
use pocketmine\item\Item;
use pocketmine\item\Tool;
use pocketmine\item\WoodenPickaxe;

use UL\Main;


class EventListener Implements Listener{
   

public function onCraft(CraftItemEvent $event)
    {
        $item = $event->getRecipe()->getResult();
        $player = $event->getPlayer();
        if ($item instanceof Tool) {
            $newitem = $this->getNextTier($item);
                $newitem->addEnchantment(Enchantment::getEnchantment(Enchantment::TYPE_MINING_EFFICIENCY)->setLevel(3));
                $newitem->addEnchantment(Enchantment::getEnchantment(Enchantment::TYPE_MINING_DURABILITY)->setLevel(3));
                 $event->setCancelled();
                 $player->getInventory()->addItem($newitem);
                 $player->getInventory()->sendContents($player);
        }
   }

    /**
     * @param Tool $item
     * @return Item|void
     */
    public function getNextTier(Tool $item)
    {
        $i = 0;
        switch ($item->getId()) {
            case Tool::WOODEN_PICKAXE:
                $i = Item::STONE_PICKAXE;
                break;
            case Tool::GOLD_PICKAXE:
                $i = Item::STONE_PICKAXE;
                break;
            case Tool::STONE_PICKAXE:
                $i = Item::IRON_PICKAXE;
                break;
            case Tool::IRON_PICKAXE:
                $i = Item::DIAMOND_PICKAXE;
                break;
            case Tool::WOODEN_AXE:
                $i = Item::STONE_AXE;
                break;
            case Tool::GOLD_AXE:
                $i = Item::STONE_AXE;
                break;
            case Tool::STONE_AXE:
                $i = Item::IRON_AXE;
                break;
            case Tool::IRON_AXE:
                $i = Item::DIAMOND_AXE;
                break;
            case Tool::WOODEN_SHOVEL:
                $i = Item::STONE_SHOVEL;
                break;
            case Tool::GOLD_SHOVEL:
                $i = Item::STONE_SHOVEL;
                break;
            case Tool::STONE_SHOVEL:
                $i = Item::IRON_SHOVEL;
                break;
            case Tool::IRON_SHOVEL:
                $i = Item::DIAMOND_SHOVEL;
                break;
        }
        return Item::get($i);
    }
}