Code-Snippets-Functions/Execute a function on a child site/Gravity Forms/return-ip-address-if-behind-a-proxy.txt

add_filter( 'gform_ip_address', 'filter_gform_ip_address' );
 
function filter_gform_ip_address( $ip ) {
    // Return the IP address set by the proxy.
    // E.g. $_SERVER['HTTP_X_FORWARDED_FOR'] or $_SERVER['HTTP_CLIENT_IP']
    return $_SERVER['HTTP_X_FORWARDED_FOR'];
}