【PHP】获取ip信息，并做限制

$ip = '113.139.214.239';
        $content = file_get_contents('http://ip.taobao.com/service/getIpInfo.php?ip='.$ip);
        $banned = json_decode(trim($content), true);
        dump($banned);die;

C:\phpStudy\PHPTutorial\WWW\tp5\thinkphp\library\think\Debug.php:226:
array (size=2)
  'code' => int 0
  'data' => 
    array (size=13)
      'ip' => string '56.23.52.41' (length=11)
      'country' => string '美国' (length=6)
      'area' => string '' (length=0)
      'region' => string '北卡罗来纳' (length=15)
      'city' => string 'XX' (length=2)
      'county' => string 'XX' (length=2)
      'isp' => string 'XX' (length=2)
      'country_id' => string 'US' (length=2)
      'area_id' => string '' (length=0)
      'region_id' => string 'US_133' (length=6)
      'city_id' => string 'xx' (length=2)
      'county_id' => string 'xx' (length=2)
      'isp_id' => string 'xx' (length=2)