How to identify server IP address in PHP

Question

How can I identify the server IP address in PHP

User · Accepted Answer

Like this for the server ip     SERVER  SERVER ADDR      and this for the port    SERVER  SERVER PORT

User · Answer

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    server ip   gethostbyname   SERVER  SERVER NAME

User · Answer

Check the   SERVER array  echo   SERVER  SERVER ADDR

User · Answer

Check the   SERVER array  echo   SERVER  SERVER ADDR

User · Answer

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

User · Answer

You may have to use  HTTP SERVER VARS  server ADDR   if you are not getting anything from above answers and if you are using older version of PHP

User · Answer

serverIP     SERVER  SERVER ADDR    echo  Server IP is   lt b gt   serverIP  lt  b gt

User · Answer

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       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     Shamelessly adapted from How to I get the primary IP address of the local machine on Linux and OS X

User · Answer

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

User · Answer

for example     SERVER  SERVER ADDR     when your on IIS  try     SERVER  LOCAL ADDR

User · Answer

Like this     SERVER  SERVER ADDR

User · Answer

If you are using PHP in bash shell you can use    server name exec  hostname      Because   SERVER   SERVER ADDR  HTTP HOST and SERVER NAME are not set

User · Answer

Neither of the most up-voted answers will reliably return the server s public address  Generally   SERVER  SERVER ADDR   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  host  gethostname     ip   gethostbyname  host   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  HOSTNAME yahoo com  then  at least on my php5 4 Centos6 setup  gethostbyname will skip straight to finding Yahoo com s address rather than the local server s   Furthermore  because gethostbyname falls back on public DNS records a testing server with unpublished or incorrect public DNS records  for instance  you re accessing the server by localhost or IP address  or if you re overriding public DNS using your local hosts 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    external ip   exec  curl http   ipecho net plain  echo      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 gethostbyname 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

User · Answer

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       IIS IP Check     if    SERVER  SERVER ADDR       SERVER  SERVER ADDR       SERVER  LOCAL ADDR      if    SERVER  REMOTE ADDR       SERVER  REMOTE ADDR       SERVER  LOCAL ADDR

User · Answer

If you are using PHP version 5 3 or higher you can do the following    host  gethostname     ip   gethostbyname  host     This works well when you are running a stand-alone script  not running through the web server

[php] How to identify server IP address in PHP

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