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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\HttpKernel\Attribute;
/**
* Describes the default HTTP cache headers on controllers.
* Headers defined in the Cache attribute are ignored if they are already set
* by the controller.
*
* @see https://symfony.com/doc/current/http_cache.html#making-your-responses-http-cacheable
*
* @author Fabien Potencier <fabien@symfony.com>
*/
#[\Attribute(\Attribute::TARGET_CLASS | \Attribute::TARGET_METHOD | \Attribute::TARGET_FUNCTION)]
final class Cache
{
public function __construct(
/**
* The expiration date as a valid date for the strtotime() function.
*/
public ?string $expires = null,
/**
* The number of seconds that the response is considered fresh by a private
* cache like a web browser.
*/
public int|string|null $maxage = null,
/**
* The number of seconds that the response is considered fresh by a public
* cache like a reverse proxy cache.
*/
public int|string|null $smaxage = null,
/**
* If true, the contents will be stored in a public cache and served to all
* the next requests.
*/
public ?bool $public = null,
/**
* If true, the response is not served stale by a cache in any circumstance
* without first revalidating with the origin.
*/
public bool $mustRevalidate = false,
/**
* Set "Vary" header.
*
* Example:
* ['Accept-Encoding', 'User-Agent']
*
* @see https://symfony.com/doc/current/http_cache/cache_vary.html
*
* @var string[]
*/
public array $vary = [],
/**
* An expression to compute the Last-Modified HTTP header.
*
* The expression is evaluated by the ExpressionLanguage component, it
* receives all the request attributes and the resolved controller arguments.
*
* The result of the expression must be a DateTimeInterface.
*/
public ?string $lastModified = null,
/**
* An expression to compute the ETag HTTP header.
*
* The expression is evaluated by the ExpressionLanguage component, it
* receives all the request attributes and the resolved controller arguments.
*
* The result must be a string that will be hashed.
*/
public ?string $etag = null,
/**
* max-stale Cache-Control header
* It can be expressed in seconds or with a relative time format (1 day, 2 weeks, ...).
*/
public int|string|null $maxStale = null,
/**
* stale-while-revalidate Cache-Control header
* It can be expressed in seconds or with a relative time format (1 day, 2 weeks, ...).
*/
public int|string|null $staleWhileRevalidate = null,
/**
* stale-if-error Cache-Control header
* It can be expressed in seconds or with a relative time format (1 day, 2 weeks, ...).
*/
public int|string|null $staleIfError = null,
) {
}
}
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