通过IP获取IP内含信息

class Taobaoip {

/**
 * 淘宝IP地址库 Reset API
 * @author 
 * @param  [string] ip [IP地址]
 * @return [type]     [只返回获取成功的ip数据]
 */
    public function getLocation(ip) {
        if (empty(ip))ip = get_client_ip();
        taobaoUrl = "http://ip.taobao.com/service/getIpInfo.php?ip=";url       = taobaoUrl .ip;
        data      = self::httpRequest(url);
        data      = preg_replace("#\\\u([0-9a-f]{4})#ie", "iconv('UCS-2BE', 'UTF-8', pack('H4', '\\1'))",data);
        data      = json_decode(data, true);
        return data[data];
    }

    Static Private function httpRequest(url) {
        ch = curl_init();
        curl_setopt(ch, CURLOPT_URL, url);
        curl_setopt(ch, CURLOPT_RETURNTRANSFER, 1);
        output = curl_exec(ch);
        curl_close(ch);
        if (output === FALSE) {
            return "cURL Error: " . curl_error(ch);
        }
        returnoutput;
    }


}
#成功返回
#{"code":0,"data":{"ip":"113.70.24.1","country":"中国","area":"","region":"广东","city":"佛山","county":"XX","isp":"电信","country_id":"CN","area_id":"","region_id":"440000","city_id":"440600","county_id":"xx","isp_id":"100017"}}