<?php

declare(strict_types=1);

/**
 * This file is part of CodeIgniter 4 framework.
 *
 * (c) CodeIgniter Foundation <admin@codeigniter.com>
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace CodeIgniter\HTTP;

/**
 * Representation of an incoming, server-side HTTP request.
 *
 * Corresponds to Psr7\ServerRequestInterface.
 */
interface RequestInterface extends OutgoingRequestInterface
{
 /**
 * Gets the user's IP address.
 * Supplied by RequestTrait.
 *
 * @return string IP address
 */
 public function getIPAddress(): string;

 /**
 * Fetch an item from the $_SERVER array.
 * Supplied by RequestTrait.
 *
 * @param array|string|null $index Index for item to be fetched from $_SERVER
 * @param int|null $filter A filter name to be applied
 *
 * @return mixed
 */
 public function getServer($index = null, $filter = null);
}