blocks|key|701267|text|对于服务器ip如下所示：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|701268|$_SERVER['SERVER_ADDR'];|code-block|syntax|javascript|701269|这是给港口的|701270|$_SERVER['SERVER_PORT'];|701271|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

Like this for the server ip:

<pre><code>$_SERVER['SERVER_ADDR'];
</code></pre>

and this for the port

<pre><code>$_SERVER['SERVER_PORT'];
</code></pre>

blocks|key|701480|text|如果您使用的是PHP+5.3或更高版本，则可以执行以下操作：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|701481|$host=+gethostname();
$ip+=+gethostbyname($host);|code-block|syntax|javascript|701482|当您运行独立脚本，而不是通过web服务器运行时，此方法效果很好。|701483|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

If you are using PHP version 5.3 or higher you can do the following:

<pre><code>$host= gethostname();
$ip = gethostbyname($host);
</code></pre>

This works well when you are running a stand-alone script, not running through the web server.

blocks|key|701185|text|例如：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|701186|$_SERVER['SERVER_ADDR']|code-block|syntax|javascript|701187|当您使用IIS时，请尝试：|701188|$_SERVER['LOCAL_ADDR']|701189|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

for example:

<pre><code>$_SERVER['SERVER_ADDR']
</code></pre>

when your on IIS, try:

<pre><code>$_SERVER['LOCAL_ADDR']
</code></pre>

blocks|key|701654|text|我来到这个页面是为了寻找一种方法来获取我自己的ip地址，而不是连接到我的远程机器的ip地址。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|701655|这对windows机器不起作用。|701656|但万一有人搜索我要找的东西：|701657|#!+/usr/bin/php
<?php
$my_current_ip=exec("ifconfig+%7C+grep+-Eo+'inet+(addr:)?([0-9]*\.){3}[0-9]*'+%7C+grep+-Eo+'([0-9]*\.){3}[0-9]*'+%7C+grep+-v+'127.0.0.1'");
echo+$my_current_ip;|code-block|syntax|javascript|701658|(不知羞耻地改编自How+to+I+get+the+primary+IP+address+of+the+local+machine+on+Linux+and+OS+X?)|offset|length|701659|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/13322485/how-to-i-get-the-primary-ip-address-of-the-local-machine-on-linux-and-os-x^0|0|0|0|0|9|23|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|X|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|Y|8|@]|9|@]|A|$]]|$1|F|3|G|5|H|7|Z|8|@]|9|@]|A|$I|J]]|$1|K|3|L|5|6|7|10|8|@]|9|@$M|11|N|12|1|13]]|A|$]]|$1|O|3|-4|5|6|7|14|8|@]|9|@]|A|$]]]|P|$Q|$5|R|S|T|A|$U|V]]]]

I came to this page looking for a way of getting my own ip address not the one of the remote machine connecting to me.

This will not work for a windows machine.

But in case someone searches for what I was looking for:

<pre><code>#! /usr/bin/php
&lt;?php
$my_current_ip=exec("ifconfig | grep -Eo 'inet (addr:)?([0-9]*\.){3}[0-9]*' | grep -Eo '([0-9]*\.){3}[0-9]*' | grep -v '127.0.0.1'");
echo $my_current_ip;
</code></pre>

(Shamelessly adapted from <a href="https://stackoverflow.com/questions/13322485/how-to-i-get-the-primary-ip-address-of-the-local-machine-on-linux-and-os-x">How to I get the primary IP address of the local machine on Linux and OS X?</a>)

blocks|key|701628|text|投票最多的两个答案都不会可靠地返回服务器的公共地址。一般来说，$_SERVER['SERVER_ADDR']是正确的，但如果你通过VPN访问服务器，它可能会返回内部网络地址而不是公共地址，即使不在同一网络上，一些配置也会是空白的或具有其他指定值。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|701629|同样，在某些情况下，$host=+gethostname();+$ip+=+gethostbyname($host);不会返回正确的值，因为它同时依赖于DNS+(内部配置的或外部记录)和服务器的主机名设置来推断服务器的IP地址。这两个步骤都有潜在的缺陷。例如，如果服务器的主机名格式类似于域名(即HOSTNAME=yahoo.com)，那么(至少在我的php5.4/Centos6设置中)+gethostbyname将直接跳到查找Yahoo.com的地址，而不是本地服务器的地址。|701630|此外，由于gethostbyname依赖于公共DNS记录，测试服务器上有未发布的或不正确的公共DNS记录(例如，您通过localhost或IP地址访问服务器，或者如果您使用本地hosts文件覆盖公共DNS+)，那么您将返回没有IP地址(它只返回主机名)，或者更糟的是，它将返回在公共DNS记录中指定的错误地址(如果存在)，或者如果存在通配符，则返回错误的地址。|701631|根据情况，您还可以尝试第三种方法，方法如下：|701632|$external_ip+=+exec('curl+http://ipecho.net/plain;+echo');|code-block|syntax|javascript|701633|这有其自身的缺陷(依赖于特定的第三方站点，并且可能存在通过不同主机或代理来路由出站连接的网络设置)，并且像gethostbyname一样，它可能会很慢。老实说，我不确定哪种方法是最正确的，但要牢记的教训是，特定的场景/配置将导致所有这些方法的不正确输出……因此，如果可能，请验证您正在使用的方法是否返回了您期望的值。|701634|entityMap^0|V|N|0|A|1D|44|I|5F|D|0|5|D|1N|9|2G|5|0|0|0|1H|D|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|X|8|@$9|Y|A|Z|B|C]|$9|10|A|11|B|C]|$9|12|A|13|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|14|8|@$9|15|A|16|B|C]|$9|17|A|18|B|C]|$9|19|A|1A|B|C]]|D|@]|E|$]]|$1|J|3|K|5|6|7|1B|8|@]|D|@]|E|$]]|$1|L|3|M|5|N|7|1C|8|@]|D|@]|E|$O|P]]|$1|Q|3|R|5|6|7|1D|8|@$9|1E|A|1F|B|C]]|D|@]|E|$]]|$1|S|3|-4|5|6|7|1G|8|@]|D|@]|E|$]]]|T|$]]

Neither of the most up-voted answers will reliably return the server's public address. Generally <code>$_SERVER['SERVER_ADDR']</code> will be correct, but if you're accessing the server via a VPN it will likely return the internal network address rather than a public address, and even when not on the same network some configurations will will simply be blank or have some other specified value. 

Likewise, there are scenarios where <code>$host= gethostname(); $ip = gethostbyname($host);</code> won't return the correct values because it's relying on on both DNS (either internally configured or external records) and the server's hostname settings to extrapolate the server's IP address. Both of these steps are potentially faulty. For instance, if the hostname of the server is formatted like a domain name (i.e. <code>HOSTNAME=yahoo.com</code>) then (at least on my php5.4/Centos6 setup) <code>gethostbyname</code> will skip straight to finding Yahoo.com's address rather than the local server's.

Furthermore, because <code>gethostbyname</code> falls back on public DNS records a testing server with unpublished or incorrect public DNS records (for instance, you're accessing the server by <code>localhost</code> or IP address, or if you're overriding public DNS using your local <code>hosts</code> file) then you'll get back either no IP address (it will just return the hostname) or even worse it will return the wrong address specified in the public DNS records if one exists or if there's a wildcard for the domain.

Depending on the situation, you can also try a third approach by doing something like this:

<pre><code>$external_ip = exec('curl http://ipecho.net/plain; echo');
</code></pre>

This has its own flaws (relies on a specific third-party site, and there could be network settings that route outbound connections through a different host or proxy) and like <code>gethostbyname</code> it can be slow. I'm honestly not sure which approach will be correct most often, but the lesson to take to heart is that specific scenarios/configurations will result in incorrect outputs for all of these approaches... so if possible verify that the approach you're using is returning the values you expect.

blocks|key|701707|text|这是您可以用作上述示例的改编，而不必担心服务器上安装的curl。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|701708|<?php
++++++//+create+a+new+cURL+resource
++++++$ch+=+curl_init+();

++++++//+set+URL+and+other+appropriate+options
++++++curl_setopt+($ch,+CURLOPT_URL,+"http://ipecho.net/plain");
++++++curl_setopt+($ch,+CURLOPT_HEADER,+0);
++++++curl_setopt+($ch,+CURLOPT_RETURNTRANSFER,+true);

++++++//+grab+URL+and+pass+it+to+the+browser

++++++$ip+=+curl_exec+($ch);
++++++echo+"The+public+ip+for+this+server+is:+$ip";
++++++//+close+cURL+resource,+and+free+up+system+resources
++++++curl_close+($ch);
++++?>|code-block|syntax|javascript|701709|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

This is what you could use as an adaptation of the above examples without worrying about curl installed on your server.

<pre><code>&lt;?php
 // create a new cURL resource
 $ch = curl_init ();

 // set URL and other appropriate options
 curl_setopt ($ch, CURLOPT_URL, "http://ipecho.net/plain");
 curl_setopt ($ch, CURLOPT_HEADER, 0);
 curl_setopt ($ch, CURLOPT_RETURNTRANSFER, true);

 // grab URL and pass it to the browser

 $ip = curl_exec ($ch);
 echo "The public ip for this server is: $ip";
 // close cURL resource, and free up system resources
 curl_close ($ch);
 ?&gt;
</code></pre>

blocks|key|701210|text|检查$_SERVER阵列|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|701211|echo+$_SERVER['SERVER_ADDR'];|code-block|syntax|javascript|701212|entityMap|0|LINK|mutability|MUTABLE|url|http://php.net/manual/en/reserved.variables.server.php^0|2|8|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@$A|R|B|S|1|T]]|C|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|C|$G|H]]|$1|I|3|-4|5|6|7|V|8|@]|9|@]|C|$]]]|J|$K|$5|L|M|N|C|$O|P]]]]

Check the <a href="http://php.net/manual/en/reserved.variables.server.php" rel="noreferrer">$_SERVER</a> array

<pre><code>echo $_SERVER['SERVER_ADDR'];
</code></pre>

blocks|key|917503|text|前面的答案都是$_SERVER'SERVER_ADDR‘。这在某些IIS安装上不起作用。如果希望在IIS上执行此操作，请使用以下命令：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|917504|$server_ip+=+gethostbyname($_SERVER['SERVER_NAME']);|code-block|syntax|javascript|917505|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

The previous answers all give $_SERVER['SERVER_ADDR']. This will not work on some IIS installations. If you want this to work on IIS, then use the following:

<pre><code>$server_ip = gethostbyname($_SERVER['SERVER_NAME']);
</code></pre>

blocks|key|917745|text|如果你在bash+shell中使用PHP，你可以使用：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|917746|$server_name=exec('hostname');|code-block|syntax|javascript|917747|因为没有设置$_SERVER[]+SERVER_ADDR、HTTP_HOST和SERVER_NAME。|offset|length|style|CODE|917748|entityMap^0|0|0|6|M|T|9|13|B|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@$I|R|J|S|K|L]|$I|T|J|U|K|L]|$I|V|J|W|K|L]]|9|@]|A|$]]|$1|M|3|-4|5|6|7|X|8|@]|9|@]|A|$]]]|N|$]]

If you are using PHP in bash shell you can use:

<pre><code>$server_name=exec('hostname');
</code></pre>

Because <code>$_SERVER[] SERVER_ADDR</code>, <code>HTTP_HOST</code> and <code>SERVER_NAME</code> are not set.

blocks|key|701390|text|我发现这对我很有效:+GetHostByName("")；|type|unstyled|depth|inlineStyleRanges|entityRanges|data|701391|在运行Apache+webserver服务器的Windows+7上运行XAMPP+v1.7.1。不幸的是，它只给了我的网关IP地址。|701392|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

I found this to work for me:
GetHostByName("");

Running XAMPP v1.7.1 on Windows 7 running Apache webserver.
Unfortunately it just give my gateway IP address.

blocks|key|917677|text|我刚刚创建了一个简单的脚本，它将返回IIS中的$_SERVER‘’REMOTE_ADDR‘和$_SERVER_ADDR，因此您不必更改每个变量。只需将此文本粘贴到包含在每个页面中的php文件中。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|917678|/**+IIS+IP+Check+**/
if(!$_SERVER['SERVER_ADDR']){+$_SERVER['SERVER_ADDR']+=+$_SERVER['LOCAL_ADDR'];+}
if(!$_SERVER['REMOTE_ADDR']){+$_SERVER['REMOTE_ADDR']+=+$_SERVER['LOCAL_ADDR'];+}|code-block|syntax|javascript|917679|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

I just created a simple script that will bring back the $_SERVER['REMOTE_ADDR'] and $_SERVER['SERVER_ADDR'] in IIS so you don't have to change every variable. Just paste this text in your php file that is included in every page.

<pre><code>/** IIS IP Check **/
if(!$_SERVER['SERVER_ADDR']){ $_SERVER['SERVER_ADDR'] = $_SERVER['LOCAL_ADDR']; }
if(!$_SERVER['REMOTE_ADDR']){ $_SERVER['REMOTE_ADDR'] = $_SERVER['LOCAL_ADDR']; }
</code></pre>

blocks|key|701234|text|$serverIP+=+$_SERVER["SERVER_ADDR"];
echo+"Server+IP+is:+{$serverIP}";|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|701235|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>$serverIP = $_SERVER["SERVER_ADDR"];
echo "Server IP is: &lt;b&gt;{$serverIP}&lt;/b&gt;";
</code></pre>

blocks|key|917576|text|如果您从上面的答案中得不到任何结果，并且您使用的是旧版本的$HTTP_SERVER_VARS['server_ADDR']，那么您可能必须使用PHP|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|917577|entityMap^0|T|W|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

You may have to use <code>$HTTP_SERVER_VARS['server_ADDR']</code> if you are not getting anything from above answers and if you are using older version of PHP

blocks|key|917614|text|检查$_SERVER阵列|type|unstyled|depth|inlineStyleRanges|entityRanges|data|917615|echo+$_SERVER['SERVER_ADDR'];|code-block|syntax|javascript|917616|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Check the $_SERVER array

<pre><code>echo $_SERVER['SERVER_ADDR'];
</code></pre>

blocks|key|701764|text|当站点运行在负载均衡器、反向代理服务器或CloudFront之类的CDN之后时，以下是一种解决方案：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|701765|$conn+=+curl_init();
curl_setopt($conn,+CURLOPT_URL,+'any.valid.url');
curl_exec($conn);
$WebServerIP+=+curl_getinfo($conn)['local_ip'];|code-block|syntax|javascript|701766|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Here is one solution when the site is running behind a load-balancer, a reverse proxy server, or a CDN like CloudFront:
<pre><code>$conn = curl_init();
curl_setopt($conn, CURLOPT_URL, 'any.valid.url');
curl_exec($conn);
$WebServerIP = curl_getinfo($conn)['local_ip'];
</code></pre>

blocks|key|701836|text|您可以使用https://icanhazip.com，因为Cloudflare+owned+this+project有时会更可靠。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|701837|$my_real_ip+=+file_get_contents('https://icanhazip.com/');|code-block|syntax|javascript|701838|entityMap|0|LINK|mutability|MUTABLE|url|https://icanhazip.com/|1|https://major.io/icanhazip-com-faq/^0|5|L|0|T|T|1|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@$A|T|B|U|1|V]|$A|W|B|X|1|Y]]|C|$]]|$1|D|3|E|5|F|7|Z|8|@]|9|@]|C|$G|H]]|$1|I|3|-4|5|6|7|10|8|@]|9|@]|C|$]]]|J|$K|$5|L|M|N|C|$O|P]]|Q|$5|L|M|N|C|$O|R]]]]

You can use <a href="https://icanhazip.com" rel="nofollow noreferrer">https://icanhazip.com</a> and since <a href="https://major.io/icanhazip-com-faq/" rel="nofollow noreferrer">Cloudflare owned this project</a> sometimes it can be even more reliable.
<pre class="lang-php prettyprint-override"><code>$my_real_ip = file_get_contents('https://icanhazip.com/');
</code></pre>

blocks|key|917397|text|如下所示：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|917398|$_SERVER['SERVER_ADDR'];|code-block|syntax|javascript|917399|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Like this:

<pre><code>$_SERVER['SERVER_ADDR'];
</code></pre>

How can I identify the server IP address in PHP?

How to identify server IP address in PHP

负载均衡

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如何在PHP中识别服务器IP地址？

问如何在PHP中识别服务器IP地址
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