php get ip address of visitor

1The simplest way to collect the Client/Visitor IP address using PHP is the REMOTE_ADDR.
2Pass the 'REMOTE_ADDR' in PHP $_SERVER variable. It will return the IP address of the visitor who is currently viewing the webpage.
3
4Get the IP address of the website
5<?php
6echo 'User IP Address : '. $_SERVER['REMOTE_ADDR'];
7?>
8  
9/*
10I Hope it will help you.
11Namaste
12Stay Home Stay Safe
13*/

1$clientIPAddress=$_SERVER['REMOTE_ADDR']; 

1<?PHP
2
3function getUserIP()
4{
5    // Get real visitor IP behind CloudFlare network
6    if (isset($_SERVER["HTTP_CF_CONNECTING_IP"])) {
7              $_SERVER['REMOTE_ADDR'] = $_SERVER["HTTP_CF_CONNECTING_IP"];
8              $_SERVER['HTTP_CLIENT_IP'] = $_SERVER["HTTP_CF_CONNECTING_IP"];
9    }
10    $client  = @$_SERVER['HTTP_CLIENT_IP'];
11    $forward = @$_SERVER['HTTP_X_FORWARDED_FOR'];
12    $remote  = $_SERVER['REMOTE_ADDR'];
13
14    if(filter_var($client, FILTER_VALIDATE_IP))
15    {
16        $ip = $client;
17    }
18    elseif(filter_var($forward, FILTER_VALIDATE_IP))
19    {
20        $ip = $forward;
21    }
22    else
23    {
24        $ip = $remote;
25    }
26
27    return $ip;
28}
29
30
31$user_ip = getUserIP();
32
33echo $user_ip; // Output IP address [Ex: 177.87.193.134]
34
35
36?>

1$ip = $_SERVER['REMOTE_ADDR'];
2$details = json_decode(file_get_contents("http://ipinfo.io/{$ip}/json"));
3echo $details->city; // -> "Mountain View"