pocketmine\utils\VersionString::isDev PHP 메소드

    public function isDev()
    {
        return $this->development === true;
    }

 public function __construct(Server $server, $endpoint)
 {
     $this->server = $server;
     $this->endpoint = "http://{$endpoint}/api/";
     if ($server->getProperty("auto-updater.enabled", true)) {
         $this->check();
         if ($this->hasUpdate()) {
             if ($this->server->getProperty("auto-updater.on-update.warn-console", true)) {
                 $this->showConsoleUpdate();
             }
         } elseif ($this->server->getProperty("auto-updater.preferred-channel", true)) {
             $version = new VersionString();
             if (!$version->isDev() and $this->getChannel() !== "stable") {
                 $this->showChannelSuggestionStable();
             } elseif ($version->isDev() and $this->getChannel() === "stable") {
                 $this->showChannelSuggestionBeta();
             }
         }
     }
 }