使用新浪IP库获取IP详细地址

<?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[] = '&#' . $v . ';'; 
        }
        
        $r = implode('',$rslt);
        return empty($r) ? $code : $r;  
    }
}

获取IP地址类使用实例

<?php
$ipStr = Tool::getIpCity('112.65.102.16');
print_r($ipStr);

# 返回结果
Array ( [country] => 中国 [province] => 上海 [city] => 上海 )

YPHP
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