parseCookieHeader(string $cookieHeader) : array
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.
| string | $cookieHeader | A string cookie header value. |
key/value cookie pairs.
<?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;
}