Main.php

<?php

//命名空間即src/下的路徑
namespace examplePlugin;

//會用到的PocketMine類別
use pocketmine\plugin\PluginBase;
use pocketmine\event\Listener;
use pocketmine\event\player\PlayerJoinEvent;
use pocketmine\utils\TextFormat;
use pocketmine\command\Command;
use pocketmine\command\CommandSender;
use pocketmine\item\Item;
use pocketmine\Player;

class Main extends PluginBase implements Listener
{
    //插件載入時
    public function onLoad()
    {
        $this->getLogger()->info("插件載入中");
    }
    //插件啟用時
    public function onEnable()
    {
        $this->getServer()->getPluginManager()->registerEvents($this, $this);
        $this->getLogger()->info("插件已啟用");
    }
    //插件停用時
    public function onDisable()
    {
        $this->getLogger()->info("插件已停用");
    }

    //玩家進入世界時
    public function onJoin(PlayerJoinEvent $event)
    {
        $player = $event->getPlayer();
        $name = $player->getName();
        $this->getServer()->broadcastMessage(TextFormat::GREEN . "$name 加入了伺服器!");
    }

    //偵測指令
    public function onCommand(CommandSender $sender, Command $cmd, string $label, array $args): bool
    {
        //檢查是在遊戲中輸入或是終端機
        if (!$sender instanceof Player) {
            $sender->sendMessage("僅限遊戲中使用。");
        } else {
            if ($cmd->getName() == "getsteak") {
                if (!isset($args[0]) or (is_int($args[0]) and $args[0] > 0)) { //確認參數為0且為整數，否則就預設給4個
                    $args[0] = 4;
                }
                $sender->getInventory()->addItem(Item::get(364, 0, $args[0])); //給玩家牛排
                $sender->sendMessage("已獲得" . $args[0] . "個牛排!");
            }
        }
        return true;
    }
}