<?php
/**
* Status and information regarding the site visitor.
*
* @package automattic/jetpack-status
*/
namespace Automattic\Jetpack\Status;
/**
* Visitor class.
*/
class Visitor {
/**
* Gets current user IP address.
*
* @param bool $check_all_headers Check all headers? Default is `false`.
*
* @return string Current user IP address.
*/
public function get_ip( $check_all_headers = false ) {
if ( $check_all_headers ) {
foreach ( array(
'HTTP_CF_CONNECTING_IP',
'HTTP_CLIENT_IP',
'HTTP_X_FORWARDED_FOR',
'HTTP_X_FORWARDED',
'HTTP_X_CLUSTER_CLIENT_IP',
'HTTP_FORWARDED_FOR',
'HTTP_FORWARDED',
'HTTP_VIA',
) as $key ) {
if ( ! empty( $_SERVER[ $key ] ) ) {
// @todo Some of these might actually be lists of IPs (e.g. HTTP_X_FORWARDED_FOR) or something else entirely (HTTP_VIA).
return filter_var( wp_unslash( $_SERVER[ $key ] ) );
}
}
}
return ! empty( $_SERVER['REMOTE_ADDR'] ) ? filter_var( wp_unslash( $_SERVER['REMOTE_ADDR'] ) ) : '';
}
}