PHP – Get Remote IP Address

Here’s a simple snippet:


function getRemoteIPAddress() {
$ip = $_SERVER['REMOTE_ADDR'];
return $ip;
}

The above code will not work in case your client is behind proxy server. In that case use below function to get real IP address of client.


function getRealIPAddr()
{
if (!empty($_SERVER['HTTP_CLIENT_IP']))   //check ip from share internet
{
$ip=$_SERVER['HTTP_CLIENT_IP'];
}
elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR']))   //to check ip is pass from proxy
{
$ip=$_SERVER['HTTP_X_FORWARDED_FOR'];
}
else
{
$ip=$_SERVER['REMOTE_ADDR'];
}
return $ip;
}

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