src/Payment/API.php
public function reverse($orderNo, $type = self::OUT_TRADE_NO)
    {
        $params = [
            $type => $orderNo,
        ];

        return $this->safeRequest($this->wrapApi(self::API_REVERSE), $params);
    }
public function reverse($orderNo, $type = self::OUT_TRADE_NO)
    {
        $params = [
            $type => $orderNo,
        ];

        return $this->safeRequest($this->wrapApi(self::API_REVERSE), $params);
    }
Reverse order.

@param string $orderNo
@param string $type

@return \EasyWeChat\Support\Collection