<?php
/**
* @see https://github.com/zendframework/zend-diactoros for the canonical source repository
* @copyright Copyright (c) 2018 Zend Technologies USA Inc. (https://www.zend.com)
* @license https://github.com/zendframework/zend-diactoros/blob/master/LICENSE.md New BSD License
*/
namespace Zend\Diactoros;
use function preg_match_all;
use function urldecode;
/**
* Parse a cookie header according to RFC 6265.
*
* PHP will replace special characters in cookie names, which results in other cookies not being available due to
* overwriting. Thus, the server request should take the cookies from the request header instead.
*
* @param string $cookieHeader A string cookie header value.
* @return array key/value cookie pairs.
*/
function parseCookieHeader($cookieHeader)
{
preg_match_all('(
(?:^\\n?[ \t]*|;[ ])
(?P<name>[!#$%&\'*+-.0-9A-Z^_`a-z|~]+)
=
(?P<DQUOTE>"?)
(?P<value>[\x21\x23-\x2b\x2d-\x3a\x3c-\x5b\x5d-\x7e]*)
(?P=DQUOTE)
(?=\\n?[ \t]*$|;[ ])
)x', $cookieHeader, $matches, PREG_SET_ORDER);
$cookies = [];
foreach ($matches as $match) {
$cookies[$match['name']] = urldecode($match['value']);
}
return $cookies;
}