<?php
/**
* @package      Foundry
* @copyright    Copyright (C) Stack Ideas Sdn Bhd. All rights reserved.
* @license      GNU/GPL, see LICENSE.php
* Foundry is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/

namespace GuzzleHttp\Psr7;

defined('_JEXEC') or die('Unauthorized Access');

final class Rfc7230
{
    /**
     * Header related regular expressions (copied from amphp/http package)
     * (Note: once we require PHP 7.x we could just depend on the upstream package)
     *
     * Note: header delimiter (\r\n) is modified to \r?\n to accept line feed only delimiters for BC reasons.
     *
     * @link    https://github.com/amphp/http/blob/v1.0.1/src/Rfc7230.php#L12-L15
     *
     * @license https://github.com/amphp/http/blob/v1.0.1/LICENSE
     */
    const HEADER_REGEX = "(^([^()<>@,;:\\\"/[\]?={}\x01-\x20\x7F]++):[ \t]*+((?:[ \t]*+[\x21-\x7E\x80-\xFF]++)*+)[ \t]*+\r?\n)m";
    const HEADER_FOLD_REGEX = "(\r?\n[ \t]++)";
}