快递查询API （http://www.kuaidi.com/）

<?php
/**
 * Created by http://www.kuaidi.com
 * User: http://www.kuaidi.com
 * Date: 2019/3/28
 * Time: 11:04
 */

namespace app\helper;

class KuaiDiAPI
{
    private $_APPKEY = '';
    private $_APIURL = "http://api.kuaidi.com/openapi.html?";
    private $_show = 0;
    private $_muti = 0;
    private $_order = 'desc';

    /**
     * 您获得的快递网接口查询KEY。
     * @param string $key
     */

    public function __construct($key)
    {
        header("Content-type:text/html;charset=utf-8");
        $this->_APPKEY = $key;
    }

    /**
     * 设置数据返回类型。0: 返回 json 字符串; 1:返回 xml 对象
     * @param int $show
     */

    public function setShow($show = 0)
    {

        $this->_show = $show;
    }

    /**
     * 设置返回物流信息条目数, 0:返回多行完整的信息; 1:只返回一行信息
     * @param int $muti
     */

    public function setMuti($muti = 0)
    {

        $this->_muti = $muti;
    }

    /**
     * 设置返回物流信息排序。desc:按时间由新到旧排列; asc:按时间由旧到新排列
     * @param string $order
     */

    public function setOrder($order = 'desc')
    {

        $this->_order = $order;
    }

    /**
     * @param string $nu 物流单号
     * @param string $com 公司简码 要查询的快递公司代码,不支持中文,具体请参考快递公司代码文档。 不填默认根据单号自动匹配公司。注:单号匹配成功率高于 95%。
     * @return mixed
     * @throws \Exception
     */

    public function query($nu, $com = '')
    {

        if (function_exists('curl_init') == 1) {

            $url = $this->_APIURL;
            $dataArr = array(
                'id' => $this->_APPKEY,
                'com' => $com,
                'nu' => $nu,
                'show' => $this->_show,
                'muti' => $this->_muti,
                'order' => $this->_order
            );

            foreach ($dataArr as $key => $value) {

                $url .= $key . '=' . $value . "&amp;";
            }

            $curl = curl_init();
            curl_setopt($curl, CURLOPT_URL, $url);
            curl_setopt($curl, CURLOPT_HEADER, 0);
            curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
            curl_setopt($curl, CURLOPT_TIMEOUT, 10);
            $kuaidresult = curl_exec($curl);
            curl_close($curl);

            if ($this->_show == 0) {

                $result = json_decode($kuaidresult, true);
            } else {

                $result = $kuaidresult;
            }

            return $result;

        } else {

            throw new \Exception("Please install curl plugin",1);
        }
    }
}

<?php
        $key = '1ee2c0d83f6697942d739e54df942429e1';//自己去官网申请
        $kuaidichaxun = new KuaiDiAPI($key);
        $nu = '98951263966645';//物流单号
        $com = 'youzhengguonei';//公司简码 （见官网文档）
        $result = $kuaidichaxun->query($nu,$com);
        Logic::vd($result);