Get the IP address of the visitor with PHP

PHP has in built facility to detect remote browser or IP address and other properties. These values are assigned to special variable. In this case, it is assigned to variable called REMOTE_ADDR. You can use any one of the following statement to obtained or read IP address:

$ip = $_SERVER['REMOTE_ADDR'];
OR
$ip= $REMOTE_ADDR;

Here is sample code:

<?
$ip= $REMOTE_ADDR;
echo "<br> Your IP address : " . $ip;
echo "<br> Your hostname : " . GetHostByName($ip);
?>

Or you can try this one also---

To get the user’s IP use the following script:

<?php
      GetHostByName($REMOTE_ADDR);
?>

To get the user’s computer name use the following script:

<?php
      gethostbyaddr($_SERVER['REMOTE_ADDR']);
?>