百度地图 PHP根据地址获取经纬度

/**
     * [getLoLa description]
     * @Author:XuXianGang
     * @Method: 根据地址获取经纬度
     * @DateTime:2023-02-06T16:01:45+0800
     * @param                             [type] $address [description]
     * @return                            [type]          [description]
     */
    function getLoLa($address)
    {
        $ak="";
        $baiduAK = 'https://api.map.baidu.com/geocoding/v3/?address=' . $address . '&city='.$city.'&output=json&ak='.$ak.'&callback=showLocation';
        $lola = file_get_contents($baiduAK);
        $data = str_replace('showLocation&&showLocation(', '', $lola);
        $data = str_replace(')', '', $data);
        $data = json_decode($data,true);
        if (!empty($data) && $data['status'] == 0) {
            $result[] = $data['result']['location']['lng'];
            $result[] = $data['result']['location']['lat'];
            return implode(",",$result); //返回经纬度结果
        }else{
            return null;
        }
    }

　　getLoLa("河南省郑州市管城回族区紫荆山路56号华林新时代广场")