PluginC.php

<?php
    
    declare(strict_types=1);
    
    /**
     * @name PluginC
     * @version 1.0.0
     * @main PJZ9n\PluginC\Main
     * @api 3.0.0
     */
    
    namespace PJZ9n\PluginC {
        
        use pocketmine\command\Command;
        use pocketmine\command\CommandExecutor;
        use pocketmine\command\CommandSender;
        use pocketmine\command\PluginCommand;
        use pocketmine\plugin\PluginBase;
        
        class Main extends PluginBase
        {
            
            public function onEnable(): void
            {
                $command = new PluginCommand("plugincommand", $this);
                $command->setDescription("テストコマンド");
                $command->setUsage("/plugincommand [hoge|fuga] <name>");
                $command->setExecutor(new TestExector());
                $this->getServer()->getCommandMap()->register("PluginC", $command);
            }
            
        }
        
        class TestExector implements CommandExecutor
        {
            
            public function onCommand(CommandSender $sender, Command $command, string $label, array $args): bool
            {
                //権限チェックいらない！
                //ここに処理書く
                if (!isset($args[0])) {
                    //Usageを送れる！
                    return false;
                }
                if (!isset($args[1])) {
                    //Usage(ry
                    return false;
                }
                switch ($args[0]) {
                    case "hoge":
                        $sender->sendMessage("OK!!! hoge");
                        return true;
                    case "fuga":
                        $sender->sendMessage("OK!!! fuga");
                        return true;
                }
                return false;
            }
            
        }
        
    }