<?php

	function get_client_ip() {
		if (getenv('HTTP_CLIENT_IP')) return getenv('HTTP_CLIENT_IP');
		else if(getenv('HTTP_X_FORWARDED_FOR')) return getenv('HTTP_X_FORWARDED_FOR');
		else if(getenv('HTTP_X_FORWARDED')) return getenv('HTTP_X_FORWARDED');
		else if(getenv('HTTP_FORWARDED_FOR')) return getenv('HTTP_FORWARDED_FOR');
		else if(getenv('HTTP_FORWARDED')) return getenv('HTTP_FORWARDED');
		else if(getenv('REMOTE_ADDR')) return getenv('REMOTE_ADDR');
		else if (isset($_SERVER['HTTP_CLIENT_IP'])) return $_SERVER['HTTP_CLIENT_IP'];
		else if(isset($_SERVER['HTTP_X_FORWARDED_FOR'])) return $_SERVER['HTTP_X_FORWARDED_FOR'];
		else if(isset($_SERVER['HTTP_X_FORWARDED'])) return $_SERVER['HTTP_X_FORWARDED'];
		else if(isset($_SERVER['HTTP_FORWARDED_FOR'])) return $_SERVER['HTTP_FORWARDED_FOR'];
		else if(isset($_SERVER['HTTP_FORWARDED'])) return $_SERVER['HTTP_FORWARDED'];
		else if(isset($_SERVER['REMOTE_ADDR'])) return $_SERVER['REMOTE_ADDR'];
		else return 'UNKNOWN';
	}

	//TODO setSelfAdress

	echo 'Ok.';