Model\Invite::addInvite PHP Method

    public static function addInvite($uid, $plan = 'A', $isTransfer = false)
    {
        $inviteStr = substr(hash("sha256", $uid . Utils::randomChar(10)), 0, 26) . $uid;
        $obj = new self();
        $obj->inviteIp = Utils::getUserIP();
        $obj->invite = $inviteStr;
        $obj->plan = $plan;
        $obj->uid = $uid;
        if ($isTransfer) {
            $user = User::getUserByUserId($uid);
            $user->transfer = $user->transfer - Utils::GB * 10;
            $user->invite_num = $user->invite_num - 1;
            $user->save();
        }
        $result = $obj->save();
        return $obj;
    }

 /**
  * 生成邀请码，必要权限检查
  *
  * @JSON
  * @Authorization
  */
 public function create()
 {
     $user = User::getUserByUserId(User::getCurrent()->uid);
     $result = array('error' => 1, 'message' => '创建邀请码失败，您没有再次创建邀请码的次数了。当然，你可以用流量购买次数。(10GB/个)');
     if ($user->invite_num > 0) {
         $invite = InviteModel::addInvite($user->uid, 'A', false);
         $result = array('error' => 0, 'message' => '创建邀请码成功，刷新后可见', 'invite_num' => $user->invite_num - 1, 'invite' => $invite);
         $user->invite_num = $user->invite_num - 1;
         $user->save();
     }
     return $result;
 }