<?php

	//obtiene la IP del cliente: http://stackoverflow.com/questions/15699101/get-the-client-ip-address-using-php
	function fdp_get_client_ip() {
		try 
		{
			$ipaddress = '';
			if (getenv('HTTP_CLIENT_IP'))
				$ipaddress = getenv('HTTP_CLIENT_IP');
			else if(getenv('HTTP_X_FORWARDED_FOR'))
				$ipaddress = getenv('HTTP_X_FORWARDED_FOR');
			else if(getenv('HTTP_X_FORWARDED'))
				$ipaddress = getenv('HTTP_X_FORWARDED');
			else if(getenv('HTTP_FORWARDED_FOR'))
				$ipaddress = getenv('HTTP_FORWARDED_FOR');
			else if(getenv('HTTP_FORWARDED'))
			   $ipaddress = getenv('HTTP_FORWARDED');
			else if(getenv('REMOTE_ADDR'))
				$ipaddress = getenv('REMOTE_ADDR');
			else
				$ipaddress = 'UNKNOWN';
		}
		catch (Exception $e) 
		{
			$ipaddress = 'UNKNOWN';
		}
		return $ipaddress;
	}
 ?>