Typecho评论增加地图定位

/* 腾讯Lbs IP定位服务 */
function curl_tencentlbs_ip($ip) {
    //应用Key也就是上面所说的AK，修改成自己的Key即可
    $key = 'XXX-XXX';
    $url = 'https://apis.map.qq.com/ws/location/v1/ip?ip='.$ip.'&key='.$key;
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_BINARYTRANSFER, 1);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_AUTOREFERER, 1);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
    curl_setopt($ch, CURLOPT_HTTPGET, true);
    curl_setopt($ch, CURLOPT_REFERER, $url);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
    curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36');
    $content = curl_exec($ch);
    curl_close($ch);
    if($content) {
        $json = json_decode($content,true);
        if($json['status'] == 0 ) {
            $resjson = $json['result']['ad_info'];
            if($resjson['province']=='北京市'||$resjson['province']=='天津市'||$resjson['province']=='上海市'||$resjson['province']=='重庆市') {
                return $resjson['nation'].$resjson['city'];
            }
            return $resjson['nation'].$resjson['province'];
        }
    }
    return '';
}

<?php echo curl_tencentlbs_ip($comments->ip); ?>