src/Service/Baidu/OCRManager.php
public function licensePlate($images, array $options = [])
    {
        $this->supportUrl = false;

        return $this->request(self::LICENSE_PLATE, $this->buildRequestParam($images, $options));
    }
public function licensePlate($images, array $options = [])
    {
        $this->supportUrl = false;

        return $this->request(self::LICENSE_PLATE, $this->buildRequestParam($images, $options));
    }
车牌识别（不支持在线地址）

@param  string|\SplFileInfo $images
@param  array $options

参数                     是否可选     类型        可选范围/说明
multi_detect              N            boolean      是否检测多张车牌，默认为false，

@throws \RuntimeException

@return array