blocks|key|936555|text|有各种web+API可以为您完成此任务。下面是一个使用我的服务http://ipinfo.io的示例|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|936556|$ip+=+$_SERVER['REMOTE_ADDR'];
$details+=+json_decode(file_get_contents("http://ipinfo.io/{$ip}"));
echo+$details->country;+//+->+"US"|code-block|syntax|javascript|936557|Web是一个很好的、快速且简单的解决方案，但是如果您需要进行大量查找，那么在您自己的计算机上拥有一个IP+->国家/地区数据库是一个更好的解决方案。MaxMind提供了一个free+database，您可以将其与各种PHP库一起使用，包括GeoIP。|936558|entityMap|0|LINK|mutability|MUTABLE|url|http://ipinfo.io/|1|http://dev.maxmind.com/geoip/legacy/geolite/|2|http://php.net/manual/en/ref.geoip.php^0|V|G|0|0|0|2E|D|1|3B|5|2|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@$A|X|B|Y|1|Z]]|C|$]]|$1|D|3|E|5|F|7|10|8|@]|9|@]|C|$G|H]]|$1|I|3|J|5|6|7|11|8|@]|9|@$A|12|B|13|1|14]|$A|15|B|16|1|17]]|C|$]]|$1|K|3|-4|5|6|7|18|8|@]|9|@]|C|$]]]|L|$M|$5|N|O|P|C|$Q|R]]|S|$5|N|O|P|C|$Q|T]]|U|$5|N|O|P|C|$Q|V]]]]

There are various web APIs that will do this for you. Here's an example using my service, <a href="http://ipinfo.io" rel="noreferrer">http://ipinfo.io</a>:

<pre><code>$ip = $_SERVER['REMOTE_ADDR'];
$details = json_decode(file_get_contents("http://ipinfo.io/{$ip}"));
echo $details-&gt;country; // -&gt; "US"
</code></pre>

Web APIs are a nice quick and easy solution, but if you need to do a lot of lookups then having an IP -> country database on your own machine is a better solution. MaxMind offer a <a href="http://dev.maxmind.com/geoip/legacy/geolite/" rel="noreferrer">free database</a> that you can use with various PHP libraries, including <a href="http://php.net/manual/en/ref.geoip.php" rel="noreferrer">GeoIP</a>.

blocks|key|1150851|text|您可以从MaxMind下载ip表：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1150852|http://www.maxmind.com/app/geolite|offset|length|1150853|将CSV导入您的数据库(确保为ip_long_from+%2Bip_long_to创建索引)。然后，您可以简单地执行以下操作：|1150854|$iplong+=+ip2long($_SERVER['REMOTE_ADDR']);

//+should+use+mysqli+with+prepared+statements+etc,+but+just+an+example
mysql_query("
++++SELECT+country
++++FROM+ip_table
++++WHERE+$iplong+BETWEEN+ip_long_from+AND+ip_long_to
++++LIMIT+1
");|code-block|syntax|javascript|1150855|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|Y|0|0|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|U|8|@]|9|@$D|V|E|W|1|X]]|A|$]]|$1|F|3|G|5|6|7|Y|8|@]|9|@]|A|$]]|$1|H|3|I|5|J|7|Z|8|@]|9|@]|A|$K|L]]|$1|M|3|-4|5|6|7|10|8|@]|9|@]|A|$]]]|N|$O|$5|P|Q|R|A|$S|C]]]]

You can download ip-tables from MaxMind:

<a href="http://www.maxmind.com/app/geolite" rel="noreferrer">http://www.maxmind.com/app/geolite</a>

Import the CSV to your database (make sure to create an index for ip_long_from + ip_long_to). Then you can simply do:

<pre><code>$iplong = ip2long($_SERVER['REMOTE_ADDR']);

// should use mysqli with prepared statements etc, but just an example
mysql_query("
 SELECT country
 FROM ip_table
 WHERE $iplong BETWEEN ip_long_from AND ip_long_to
 LIMIT 1
");
</code></pre>

blocks|key|936764|text|您可以使用此location+API从IP地址获取国家/地区|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|936765|代码|936766|++++echo+file_get_contents('https://ipapi.co/8.8.8.8/country/');|code-block|syntax|javascript|936767|响应|936768|+++US+|936769|这是一个fiddle。查询特定字段时，返回为text，例如此处为country。无需解码，只需将其插入到代码中即可。|style|CODE|936770|备注:如果您需要所有字段，例如https://ipapi.co/8.8.8.8/json/，则响应为JSON。|936771|entityMap|0|LINK|mutability|MUTABLE|url|https://ipapi.co/|1|http://phpfiddle.org/lite/code/ue9x-r98e^0|6|C|0|0|0|0|0|0|M|4|W|7|4|6|1|0|F|U|1E|4|0^^$0|@$1|2|3|4|5|6|7|14|8|@]|9|@$A|15|B|16|1|17]]|C|$]]|$1|D|3|E|5|6|7|18|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|19|8|@]|9|@]|C|$I|J]]|$1|K|3|L|5|6|7|1A|8|@]|9|@]|C|$]]|$1|M|3|N|5|H|7|1B|8|@]|9|@]|C|$I|J]]|$1|O|3|P|5|6|7|1C|8|@$A|1D|B|1E|Q|R]|$A|1F|B|1G|Q|R]]|9|@$A|1H|B|1I|1|1J]]|C|$]]|$1|S|3|T|5|6|7|1K|8|@$A|1L|B|1M|Q|R]|$A|1N|B|1O|Q|R]]|9|@]|C|$]]|$1|U|3|-4|5|6|7|1P|8|@]|9|@]|C|$]]]|V|$W|$5|X|Y|Z|C|$10|11]]|12|$5|X|Y|Z|C|$10|13]]]]

You can get country from IP address with this <a href="https://ipapi.co" rel="nofollow noreferrer">location API</a>

Code

<pre><code> echo file_get_contents('https://ipapi.co/8.8.8.8/country/');
</code></pre>

Response

<pre><code> US 
</code></pre>

Here's a <a href="http://phpfiddle.org/lite/code/ue9x-r98e" rel="nofollow noreferrer">fiddle</a>. Response is <code>text</code> when you query a specific field e.g. <code>country</code> here. No decoding needed, just plug it into your code. 

P.S. If you want all the fields e.g. <code>https://ipapi.co/8.8.8.8/json/</code>, the response is <code>JSON</code>.

blocks|key|1150827|text|查看“其他基本扩展”下的GeoIP函数。http://php.net/manual/en/book.geoip.php|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1150828|entityMap|0|LINK|mutability|MUTABLE|url|http://php.net/manual/en/book.geoip.php^0|K|13|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Look at the GeoIP functions under "Other Basic Extensions." <a href="http://php.net/manual/en/book.geoip.php" rel="nofollow noreferrer">http://php.net/manual/en/book.geoip.php</a>

blocks|key|936731|text|$country_code+=+trim(file_get_contents("http://ipinfo.io/{$ip_address}/country"))|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|936732|会给你国家代码。|unstyled|936733|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|J|8|@]|9|@]|A|$]]|$1|G|3|-4|5|F|7|K|8|@]|9|@]|A|$]]]|H|$]]

<pre><code>$country_code = trim(file_get_contents("http://ipinfo.io/{$ip_address}/country"))
</code></pre>

will get you the country code.

blocks|key|1150976|text|这是另一个用于地理定位请求的免费API：http://geoip.nekudo.com|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1150977|响应采用JSON格式。此外，github上还提供了API源码，以防您需要设置自己的API。|1150978|entityMap|0|LINK|mutability|MUTABLE|url|http://geoip.nekudo.com/^0|K|N|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]]|C|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]]]

Here is another free API for geolocation requests:
<a href="http://geoip.nekudo.com" rel="nofollow">http://geoip.nekudo.com</a>

Responses are in JSON format. Additionally the API sourcecode is available on github in case you need to setup your own API.

blocks|key|936808|text|如果可以，安装并使用PHP's+GeoIP+extension。在debian+lenny上：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|936809|sudo+wget+http://geolite.maxmind.com/download/geoip/database/GeoLiteCity.dat.gz
sudo+gunzip+GeoLiteCity.dat.gz
sudo+mkdir+-v+/usr/share/GeoIP
sudo+mv+-v+GeoLiteCity.dat+/usr/share/GeoIP/GeoIPCity.dat

sudo+apt-get+install+php5-geoip
#+or+sudo+apt-get+install+php-geoip+for+PHP7|code-block|syntax|javascript|936810|然后在PHP中尝试：|936811|$ip+=+$_SERVER['REMOTE_ADDR'];
$country+=+geoip_country_name_by_name($ip);
echo+'The+current+user+is+located+in:+'+.+$country;|936812|返回：|936813|The+current+user+is+located+in:+Cameroon|936814|entityMap|0|LINK|mutability|MUTABLE|url|http://php.net/manual/en/book.geoip.php^0|A|L|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@$A|Z|B|10|1|11]]|C|$]]|$1|D|3|E|5|F|7|12|8|@]|9|@]|C|$G|H]]|$1|I|3|J|5|6|7|13|8|@]|9|@]|C|$]]|$1|K|3|L|5|F|7|14|8|@]|9|@]|C|$G|H]]|$1|M|3|N|5|6|7|15|8|@]|9|@]|C|$]]|$1|O|3|P|5|F|7|16|8|@]|9|@]|C|$G|H]]|$1|Q|3|-4|5|6|7|17|8|@]|9|@]|C|$]]]|R|$S|$5|T|U|V|C|$W|X]]]]

Install and use <a href="http://php.net/manual/en/book.geoip.php" rel="nofollow">PHP's GeoIP extension</a> if you can. On debian lenny:

<pre><code>sudo wget http://geolite.maxmind.com/download/geoip/database/GeoLiteCity.dat.gz
sudo gunzip GeoLiteCity.dat.gz
sudo mkdir -v /usr/share/GeoIP
sudo mv -v GeoLiteCity.dat /usr/share/GeoIP/GeoIPCity.dat

sudo apt-get install php5-geoip
# or sudo apt-get install php-geoip for PHP7
</code></pre>

and then try it in PHP:

<pre><code>$ip = $_SERVER['REMOTE_ADDR'];
$country = geoip_country_name_by_name($ip);
echo 'The current user is located in: ' . $country;
</code></pre>

returns:

<pre><code>The current user is located in: Cameroon
</code></pre>

blocks|key|1150938|text|我发现这篇博文很有帮助。它拯救了我的一天。http://www.techsirius.com/2014/05/simple-geo-tracking-system.html|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1150939|基本上，您需要安装IP数据库表，然后执行mysql查询IP的位置。|1150940|<?php
include+'config.php';
mysql_connect(DB_HOST,+DB_USER,+DB_PASSWORD)+OR+die(mysql_error());
mysql_select_db(DB_NAME)+OR+die(mysql_error());
$ip+=++$_SERVER['REMOTE_ADDR'];
$long+=+sprintf('%25u',+ip2long($ip));
$sql+=+"SELECT+*+FROM+`geo_ips`+WHERE+'$long'+BETWEEN+`ip_start`+AND+`ip_end`";
$result+=+mysql_query($sql)+OR+die(mysql_error());
$ip_detail+=+mysql_fetch_assoc($result);
if($ip_detail){
++++echo+$ip_detail['country']."',+'".$ip_detail['state']."',+'".$ip_detail['city'];
}
else{
++++//Something+wrong+with+IP
}|code-block|syntax|javascript|1150941|entityMap|0|LINK|mutability|MUTABLE|url|http://www.techsirius.com/2014/05/simple-geo-tracking-system.html^0|L|1T|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@$A|T|B|U|1|V]]|C|$]]|$1|D|3|E|5|6|7|W|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|X|8|@]|9|@]|C|$I|J]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|C|$]]]|L|$M|$5|N|O|P|C|$Q|R]]]]

I found this blog post very helpful. It saved my day. 
<a href="http://www.techsirius.com/2014/05/simple-geo-tracking-system.html" rel="nofollow">http://www.techsirius.com/2014/05/simple-geo-tracking-system.html</a>

Basically you need to install the IP database table and then do mysql query for the IP for location.

<pre><code>&lt;?php
include 'config.php';
mysql_connect(DB_HOST, DB_USER, DB_PASSWORD) OR die(mysql_error());
mysql_select_db(DB_NAME) OR die(mysql_error());
$ip = $_SERVER['REMOTE_ADDR'];
$long = sprintf('%u', ip2long($ip));
$sql = "SELECT * FROM `geo_ips` WHERE '$long' BETWEEN `ip_start` AND `ip_end`";
$result = mysql_query($sql) OR die(mysql_error());
$ip_detail = mysql_fetch_assoc($result);
if($ip_detail){
 echo $ip_detail['country']."', '".$ip_detail['state']."', '".$ip_detail['city'];
}
else{
 //Something wrong with IP
}
</code></pre>

blocks|key|936709|text|如果你需要一个好的和更新的数据库，为了有更好的性能，并且不需要从你的网站请求外部服务，here有一个很好的地方可以下载更新和准确的数据库。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|936710|我之所以推荐它，是因为在我的经验中，它工作得很好，甚至包括了我的IP的城市和国家位置，大多数其他数据库/apis都未能包括/报告我的位置，除了this+service，它将我引导到这个数据库。|936711|(当我测试时，我的ip地址来自“伊朗”的"Rasht“市，ip是：2.187.21.235等于45815275)|style|CODE|936712|因此，如果您不确定哪种服务更准确，我建议您使用这些服务：|936713|数据库：http://lite.ip2location.com/databases|936714|接口服务：http://ipinfodb.com/ip_location_api.php|936715|entityMap|0|LINK|mutability|MUTABLE|url|http://lite.ip2location.com/databases|1|http://ipinfodb.com/ip_location_api.php|2|3^0|17|4|0|0|1Z|C|1|0|X|C|1B|8|0|0|4|11|4|11|2|0|5|13|5|13|3|0^^$0|@$1|2|3|4|5|6|7|11|8|@]|9|@$A|12|B|13|1|14]]|C|$]]|$1|D|3|E|5|6|7|15|8|@]|9|@$A|16|B|17|1|18]]|C|$]]|$1|F|3|G|5|6|7|19|8|@$A|1A|B|1B|H|I]|$A|1C|B|1D|H|I]]|9|@]|C|$]]|$1|J|3|K|5|6|7|1E|8|@]|9|@]|C|$]]|$1|L|3|M|5|6|7|1F|8|@$A|1G|B|1H|H|I]]|9|@$A|1I|B|1J|1|1K]]|C|$]]|$1|N|3|O|5|6|7|1L|8|@$A|1M|B|1N|H|I]]|9|@$A|1O|B|1P|1|1Q]]|C|$]]|$1|P|3|-4|5|6|7|1R|8|@]|9|@]|C|$]]]|Q|$R|$5|S|T|U|C|$V|W]]|X|$5|S|T|U|C|$V|Y]]|Z|$5|S|T|U|C|$V|W]]|10|$5|S|T|U|C|$V|Y]]]]

If you need to have a good and updated database, for having more performance and not requesting external services from your website, <a href="http://lite.ip2location.com/databases" rel="nofollow">here</a> there is a good place to download updated and accurate databases. 

I'm recommending this because in my experience it was working excellent even including city and country location for my IP which most of other databases/apis failed to include/report my location except <a href="http://ipinfodb.com/ip_location_api.php" rel="nofollow">this service</a> which directed me to this database. (My ip location was from "Rasht" City in "Iran" when I was testing and the ip was: <code>2.187.21.235</code> equal to <code>45815275</code>)

Therefore I recommend to use these services if you're unsure about which service is more accurate:

Database:
<a href="http://lite.ip2location.com/databases" rel="nofollow"><code>http://lite.ip2location.com/databases</code></a>

API Service:
<a href="http://ipinfodb.com/ip_location_api.php" rel="nofollow"><code>http://ipinfodb.com/ip_location_api.php</code></a>

blocks|key|1151181|text|您可以使用https://ip-api.io/获取国家名称、城市名称、纬度和经度。它支持IPv6。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1151182|作为奖励，它将判断ip地址是tor节点、公共代理还是垃圾邮件发送者。|1151183|Php代码：|1151184|$result+=+json_decode(file_get_contents('http://ip-api.io/json/64.30.228.118'));
var_dump($result);|code-block|syntax|javascript|1151185|输出：|1151186|{
"ip":+"64.30.228.118",
"country_code":+"US",
"country_name":+"United+States",
"region_code":+"FL",
"region_name":+"Florida",
"city":+"Fort+Lauderdale",
"zip_code":+"33309",
"time_zone":+"America/New_York",
"latitude":+26.1882,
"longitude":+-80.1711,
"metro_code":+528,
"suspicious_factors":+{
"is_proxy":+false,
"is_tor_node":+false,
"is_spam":+false,
"is_suspicious":+false
}|1151187|entityMap|0|LINK|mutability|MUTABLE|url|https://ip-api.io/^0|5|I|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@$A|Z|B|10|1|11]]|C|$]]|$1|D|3|E|5|6|7|12|8|@]|9|@]|C|$]]|$1|F|3|G|5|6|7|13|8|@]|9|@]|C|$]]|$1|H|3|I|5|J|7|14|8|@]|9|@]|C|$K|L]]|$1|M|3|N|5|6|7|15|8|@]|9|@]|C|$]]|$1|O|3|P|5|J|7|16|8|@]|9|@]|C|$K|L]]|$1|Q|3|-4|5|6|7|17|8|@]|9|@]|C|$]]]|R|$S|$5|T|U|V|C|$W|X]]]]

You can use <a href="https://ip-api.io/" rel="nofollow noreferrer">https://ip-api.io/</a> to get country name, city name, latitude and longitude. It supports IPv6.

As a bonus it will tell if ip address is a tor node, public proxy or spammer. 

Php Code:

<pre><code>$result = json_decode(file_get_contents('http://ip-api.io/json/64.30.228.118'));
var_dump($result);
</code></pre>

Output:

<pre><code>{
"ip": "64.30.228.118",
"country_code": "US",
"country_name": "United States",
"region_code": "FL",
"region_name": "Florida",
"city": "Fort Lauderdale",
"zip_code": "33309",
"time_zone": "America/New_York",
"latitude": 26.1882,
"longitude": -80.1711,
"metro_code": 528,
"suspicious_factors": {
"is_proxy": false,
"is_tor_node": false,
"is_spam": false,
"is_suspicious": false
}
</code></pre>

blocks|key|1151221|text|我在IPLocate.io上运行该服务，您可以通过一个简单的调用免费连接到该服务：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1151222|<?php
$res+=+file_get_contents('https://www.iplocate.io/api/lookup/8.8.8.8');
$res+=+json_decode($res);

echo+$res->country;+//+United+States
echo+$res->continent;+//+North+America
echo+$res->latitude;+//+37.751
echo+$res->longitude;+//+-97.822

var_dump($res);|code-block|syntax|javascript|1151223|$res对象将包含您的地理位置字段，如country、city等。|style|CODE|1151224|有关更多信息，请查看docs。|1151225|entityMap|0|LINK|mutability|MUTABLE|url|https://www.iplocate.io/|1|https://iplocate.docs.apiary.io/^0|2|B|0|0|0|0|4|J|7|R|4|0|A|4|1|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@$A|Z|B|10|1|11]]|C|$]]|$1|D|3|E|5|F|7|12|8|@]|9|@]|C|$G|H]]|$1|I|3|J|5|6|7|13|8|@$A|14|B|15|K|L]|$A|16|B|17|K|L]|$A|18|B|19|K|L]]|9|@]|C|$]]|$1|M|3|N|5|6|7|1A|8|@]|9|@$A|1B|B|1C|1|1D]]|C|$]]|$1|O|3|-4|5|6|7|1E|8|@]|9|@]|C|$]]]|P|$Q|$5|R|S|T|C|$U|V]]|W|$5|R|S|T|C|$U|X]]]]

I run the service at <a href="https://www.iplocate.io" rel="nofollow noreferrer">IPLocate.io</a>, which you can hook into for free with one easy call:

<pre><code>&lt;?php
$res = file_get_contents('https://www.iplocate.io/api/lookup/8.8.8.8');
$res = json_decode($res);

echo $res-&gt;country; // United States
echo $res-&gt;continent; // North America
echo $res-&gt;latitude; // 37.751
echo $res-&gt;longitude; // -97.822

var_dump($res);
</code></pre>

The <code>$res</code> object will contain your geolocation fields like <code>country</code>, <code>city</code>, etc.

Check out the <a href="https://iplocate.docs.apiary.io" rel="nofollow noreferrer">docs</a> for more information.

blocks|key|936533|text|使用小部件www.feedsalive.com获取国家/地区信息&最后一页信息。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|936534|entityMap|0|LINK|mutability|MUTABLE|url|http://www.feedsalive.com/^0|5|I|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Use the widget <a href="http://www.feedsalive.com" rel="nofollow">www.feedsalive.com</a>, to get the country informations &amp; last page information as well.

Ideally I'm trying to put together a PHP script that I can query from any web browser and it returns the country of the IP address that accessed the PHP script.

Is this possible or is there a better solution?

Get Country of IP Address with PHP

理想情况下，我正在尝试组合一个可以从任何web浏览器查询的PHP脚本，它会返回访问PHP脚本的IP地址的国家/地区。这是可能的，还是有更好的解决方案？

问用PHP获取IP地址的国家/地区
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回答 12

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回答 12

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