PHP 使用 GeoLiteCity 库解析 IP 为地理位置

 1<?php
 2require_once("geoipcity.inc.php");
 3//ini_set("memory_limit","96M");
 4
 5//最简单的函数只要这一个
 6function get_ip_record($user_ip) {
 7
 8    global $path_visitor_maps;
 9
10    //假定 GeoLiteCity.data 放在与此文件同一目录下
11    $gi = geoip_open_VMWO('GeoLiteCity.dat', VMWO_GEOIP_STANDARD);
12
13    $record = geoip_record_by_addr_VMWO($gi, "$user_ip");
14    geoip_close_VMWO($gi);
15
16    //你可以直接使用上面取出的 $record 数据
17    return $record;
18}
19
20function get_location_info($user_ip) {
21
22    $record = get_ip_record($user_ip);
23
24    //或者使用下面加工后的 $location_info
25    global $GEOIP_REGION_NAME;
26    $location_info = array();    // Create Result Array
27
28    $location_info['city_name']    = (isset($record->city)) ? $record->city : '';  //城市
29    $location_info['state_name']   = (isset($record->country_code) && isset($record->region)) //州名
30          ? $GEOIP_REGION_NAME[$record->country_code][$record->region] : '';
31    $location_info['state_code']   = (isset($record->region)) ? strtoupper($record->region) : ''; //州代号
32    $location_info['country_name'] = (isset($record->country_name)) ? $record->country_name : '--'; //国家名
33    $location_info['country_code'] = (isset($record->country_code)) ? strtoupper($record->country_code) : '--'; //国家代号
34    $location_info['latitude']     = (isset($record->latitude)) ? $record->latitude : '0';   //维度
35    $location_info['longitude']    = (isset($record->longitude)) ? $record->longitude : '0'; //经度
36
37    //php 站点设置了 utf-8 字符集必要时进行转码
38    $charset = 'utf-8';
39    // this fixes accent characters on UTF-8, only when the blog charset is set to UTF-8
40    if ( strtolower($charset) == 'utf-8' && function_exists('utf8_encode') ) {
41        if ($location_info['city_name'] != '' ) {
42            $location_info['city_name'] = utf8_encode($location_info['city_name']);
43        }
44        if ($location_info['state_name'] != '') {
45            $location_info['state_name'] = utf8_encode($location_info['state_name']);
46        }
47        if ($location_info['country_name'] != '') {
48            $location_info['country_name'] = utf8_encode($location_info['country_name']);
49        }
50    }
51
52    return $location_info;
53}
54
55//查询一个 IP 测试下
56$record = get_ip_record("206.19.49.154");
57var_dump($record);
58
59$location = get_location_info("206.19.49.154");
60var_dump($location);
61?>

 1object(geoiprecord_VMWO)#2 (10) {
 2  ["country_code"]=>
 3  string(2) "US"
 4  ["country_code3"]=>
 5  string(3) "USA"
 6  ["country_name"]=>
 7  string(13) "United States"
 8  ["region"]=>
 9  string(2) "TX"
10  ["city"]=>
11  string(10) "Richardson"
12  ["postal_code"]=>
13  string(5) "75080"
14  ["latitude"]=>
15  float(32.9722)
16  ["longitude"]=>
17  float(-96.7376)
18  ["area_code"]=>
19  int(972)
20  ["dma_code"]=>
21  float(623)
22}
23array(7) {
24  ["city_name"]=>
25  string(10) "Richardson"
26  ["state_name"]=>
27  string(5) "Texas"
28  ["state_code"]=>
29  string(2) "TX"
30  ["country_name"]=>
31  string(13) "United States"
32  ["country_code"]=>
33  string(2) "US"
34  ["latitude"]=>
35  float(32.9722)
36  ["longitude"]=>
37  float(-96.7376)
38}