app\models\Project::getHosts PHP Method

    public static function getHosts()
    {
        return GlobalHelper::str2arr(static::$CONF->hosts);
    }

 /**
  * 将多个文件/目录通过tar + scp传输到指定的多个目标机
  *
  * @param Project $project
  * @param TaskModel $task
  * @return bool
  * @throws \Exception
  */
 public function scpCopyFiles(Project $project, TaskModel $task)
 {
     // 1. 宿主机 tar 打包
     $this->_packageFiles($project, $task);
     // 2. 传输 tar.gz 文件
     foreach (Project::getHosts() as $remoteHost) {
         // 循环 scp 传输
         $this->_copyPackageToServer($remoteHost, $project, $task);
     }
     // 3. 目标机 tar 解压
     $this->_unpackageFiles($project, $task);
     return true;
 }