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this code doesn't work

PHP:

$prize = mt_rand($this->plugin->config->get("min-prize"), $this->plugin->config->get("max-prize"));

 

Where is the problem? It throws an error?

 

Yes

 

You didn't defined $this->plugin

 

So?

 

you have to define it

 

send full code

 

PHP:

<?php

namespace jackpot;

use pocketmine\Player;
use pocketmine\Server;

use pocketmine\plugin\Plugin;
use pocketmine\plugin\PluginBase;

use pocketmine\event\Listener;
use pocketmine\utils\TextFormat as C;

use pocketmine\command\Command;
use pocketmine\command\CommandSender;

use pocketmine\utils\Config;
use jojoe77777\FormAPI\SimpleForm;
use jojoe77777\FormAPI\ModalForm;
use jojoe77777\FormAPI\CustomForm;

use onebone\economyapi\EconomyAPI;

class Jackpot extends PluginBase implements Listener{
    
    public function onEnable(){
        $this->eco = $this->getServer()->getPluginManager()->getPlugin("EconomyAPI");
        $this->getLogger()->info(C::GREEN . "[Enable] Plugin Jackpot Online");
    }
    
    public function onCommand(CommandSender $sender, Command $cmd, string $label, array $args) : bool {
        switch($cmd->getName()){
            case "jackpot":
                if($sender instanceof Player){
                    if($sender->hasPermission("jackpot.cmd")){
                        $this->JackpotUI($sender);
                        return true;
                    }else{
                        $sender->sendMessage("§cKamu Butuh Permission!");
                        return true;
                    }
                    
                }else{
                    $sender->sendMessage("§cGunakan Command Ini Di Dalam Game!");
                    return true;
                }
        }
    }
    
    public function JackpotUI($sender){
        $money = $this->eco->myMoney($sender);
        $prize = mt_rand($this->plugin->config->get("min-prize"), $this->plugin->config->get("max-prize"));
        $price = $this->getConfig()->get("price");
        $api = $this->getServer()->getPluginManager()->getPlugin("FormAPI");
        $form = $api->createModalForm(function (Player $sender, int $data = null) {
            $result = $data;
            if($result === null){
                return true;
            }
           switch($result){
                case 0:
                    if(\pocketmine\Server::getInstance()->getPluginManager()->getPlugin("EconomyAPI")->myMoney($sender) >= $this->getConfig()->get("price")){
                        $sender->sendMessage($this->getConfig()->get("succes-msg"));
                        EconomyAPI::getInstance()->addMoney($sender, $prize);
                        EconomyAPI::getInstance()->reduceMoney($sender, $price);
                    } else {
                        $sender->sendMessage($this->getConfig()->get("no-enough-money"));
                    }
                break;
                case 1:
                break;
                }
            });
            $form->setTitle("§bJackpot");
            $form->setContent("Jackpot Price : §6{$price}\n§rYour Money : §6{$money}");
            $form->setButton1("Confirm", 1);
            $form->setButton2("Exit", 2);
            $form->sendToPlayer($sender);
            return $form;
    }
}

 

lol . replace $this->plugin to $this-> .

 

and you didnt define config .
place this onEnable .

PHP:

$this->config = new Config($this->getDataFolder() ."config.yml", Config::YAML, []);
if(!$this->config->exists("min-prize") || !$this->config->exists("max-prize")){
            $this->config->set(min-prize, 1);
                      $this->config->set(max-prize, 1);
            $this->config->save();

 

Oke,
thank you for your answer