How to identify server IP address in PHP

for example:

$_SERVER['SERVER_ADDR']

when your on IIS, try:

$_SERVER['LOCAL_ADDR']

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.

Like this for the server ip:

$_SERVER['SERVER_ADDR'];

and this for the port

$_SERVER['SERVER_PORT'];

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