ip.php

	<div id="demo-wrapper">
<style>
	.container{margin:0 auto;width:960px;}
	table{border-collapse:collapse;}
	table th, table td{border:1px solid #ccc;padding:3px 10px;text-align:left;vertical-align:top;}
	table th{background:#edeff0;}
</style>
<div class="container entry">
<?php

// Function to get the client ip address
function get_client_ip_env() {
    $ipaddress = '';
    if (getenv('HTTP_CLIENT_IP'))
        $ipaddress = getenv('HTTP_CLIENT_IP');
    else if(getenv('HTTP_X_FORWARDED_FOR'))
        $ipaddress = getenv('HTTP_X_FORWARDED_FOR');
    else if(getenv('HTTP_X_FORWARDED'))
        $ipaddress = getenv('HTTP_X_FORWARDED');
    else if(getenv('HTTP_FORWARDED_FOR'))
        $ipaddress = getenv('HTTP_FORWARDED_FOR');
    else if(getenv('HTTP_FORWARDED'))
        $ipaddress = getenv('HTTP_FORWARDED');
    else if(getenv('REMOTE_ADDR'))
        $ipaddress = getenv('REMOTE_ADDR');
    else
        $ipaddress = 'UNKNOWN';

    return $ipaddress;
}


// Function to get the client ip address
function get_client_ip_server() {
    $ipaddress = '';
    if ($_SERVER['HTTP_CLIENT_IP'])
        $ipaddress = $_SERVER['HTTP_CLIENT_IP'];
    else if($_SERVER['HTTP_X_FORWARDED_FOR'])
        $ipaddress = $_SERVER['HTTP_X_FORWARDED_FOR'];
    else if($_SERVER['HTTP_X_FORWARDED'])
        $ipaddress = $_SERVER['HTTP_X_FORWARDED'];
    else if($_SERVER['HTTP_FORWARDED_FOR'])
        $ipaddress = $_SERVER['HTTP_FORWARDED_FOR'];
    else if($_SERVER['HTTP_FORWARDED'])
        $ipaddress = $_SERVER['HTTP_FORWARDED'];
    else if($_SERVER['REMOTE_ADDR'])
        $ipaddress = $_SERVER['REMOTE_ADDR'];
    else
        $ipaddress = 'UNKNOWN';

    return $ipaddress;
}

// Get the client ip address
$ipAddress = $_SERVER['REMOTE_HOST'];


echo 'Your IP address (using $_SERVER[\'REMOTE_ADDR\']) is ' . $ipaddress . '<br />';
echo 'Your IP address (using get_client_ip_env function) is ' . get_client_ip_env() . '<br />';
echo 'Your IP address (using get_client_ip_server function) is ' . get_client_ip_server() . '<br />';
?>