how to get local ip address in php code example

Example 1: php get ip address

$clientIPAddress=$_SERVER['REMOTE_ADDR'];

Example 2: get server ip php

$exec = 'ipconfig | findstr /R /C:"IPv4.*"';
exec($exec, $output);
preg_match('/\d+\.\d+\.\d+\.\d+/', $output[0], $matches);
print_r($matches[0]);