Get user ip address php | wordpress

function get_the_user_ip()
{
	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 apply_filters('wpb_get_ip', $ip);
}