PHP基于新浪IP库获取IP详细地址的方法

本文实例讲述了PHP基于新浪IP库获取IP详细地址的方法。分享给大家供大家参考，具体如下：

    <?php
    class Tool{
      /**
       * 获取IP的归属地( 新浪IP库 )
       *
       * @param $ip String    IP地址：112.65.102.16
       * @return Array
       */
      static public function getIpCity($ip)
      {
        $ip = preg_replace("/\s/","",preg_replace("/\r\n/","",$ip));
        $link = "http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js&ip;=".$ip."&t;=".time();
        $ipJson = self::httpCurl($link);
        preg_match("/\"country\":\"(.*)\"/Uis",$ipJson, $match1);
        preg_match("/\"province\":\"(.*)\"/Uis",$ipJson, $match2);
        preg_match("/\"city\":\"(.*)\"/Uis",$ipJson, $match3);
        return array(
          'country'=>self::ucode2zh($match1[1]), // 国家
          'province'=>self::ucode2zh($match2[1]), // 省
          'city'=>self::ucode2zh($match3[1])   // 城市
        );
      }
      /**
       * Curl方式获取信息
       */
      static public function httpCurl($url)
      {
        $curl_handle = curl_init();
        curl_setopt($curl_handle, CURLOPT_URL, $url);
        curl_setopt($curl_handle, CURLOPT_CONNECTTIMEOUT,2);
        curl_setopt($curl_handle, CURLOPT_RETURNTRANSFER,1);
        curl_setopt($curl_handle, CURLOPT_FAILONERROR,1);
        $file_content = curl_exec($curl_handle);
        curl_close($curl_handle);
        return $file_content;
      }
      /**
       * 将unicode编码转化为中文，转化失败返回原字符串
       *
       * @param $code String   unicode编码
       * @return String
       */
      static public function ucode2zh($code)
      {
        $temp = explode('\u',$code);
        $rslt = array();
        array_shift($temp);
        foreach($temp as $k => $v)
        {
          $v = hexdec($v);
          $rslt[] = '&#