double-opt-in / core / IPHelper.class.php

IPHelper.class.php in Double Opt-In for Contact Form 7 – Secure, GDPR-Compliant Email Verification 3.0.0, at core/IPHelper.class.php

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1	<?php
2
3	namespace forge12\contactform7\CF7DoubleOptIn;
4
5	if ( ! defined( 'ABSPATH' ) ) {
6	exit;
7	}
8
9	class IPHelper {
10	/**
11	* Retrieves the IP address of the current client.
12	*
13	* The method checks if the IP address is obtained from a shared internet, proxy, or remote address.
14	*
15	* @return string The IP address of the current client.
16	*/
17	public static function getIPAdress(): string {
18	//whether ip is from share internet
19	if ( ! empty( $_SERVER['HTTP_CLIENT_IP'] ) ) {
20	$ip_address = sanitize_text_field( $_SERVER['HTTP_CLIENT_IP'] );
21	} //whether ip is from proxy
22	elseif ( ! empty( $_SERVER['HTTP_X_FORWARDED_FOR'] ) ) {
23	$ip_address = sanitize_text_field( $_SERVER['HTTP_X_FORWARDED_FOR'] );
24	} //whether ip is from remote address
25	else {
26	$ip_address = sanitize_text_field( $_SERVER['REMOTE_ADDR'] );
27	}
28
29	return $ip_address;
30	}
31	}