Your IP : 216.73.216.43
<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\Framework\App\Cache\Type;
/**
* System / Cache Management / Cache type "Layouts"
*/
class Layout extends \Magento\Framework\Cache\Frontend\Decorator\TagScope
{
/**
* Prefix for hash kay and hash data
*/
public const HASH_PREFIX = 'l:';
/**
* Hash type, not used for security, only for uniqueness
*/
public const HASH_TYPE = 'xxh3';
/**
* Data lifetime in milliseconds
*/
public const DATA_LIFETIME = 86_400_000; // "1 day" milliseconds
/**
* Cache type code unique among all cache types
*/
public const TYPE_IDENTIFIER = 'layout';
/**
* Cache tag used to distinguish the cache type from all other cache
*/
public const CACHE_TAG = 'LAYOUT_GENERAL_CACHE_TAG';
/**
* @param FrontendPool $cacheFrontendPool
*/
public function __construct(FrontendPool $cacheFrontendPool)
{
parent::__construct($cacheFrontendPool->get(self::TYPE_IDENTIFIER), self::CACHE_TAG);
}
/**
* @inheritDoc
*/
public function save($data, $identifier, array $tags = [], $lifeTime = null)
{
$dataHash = hash(self::HASH_TYPE, $data);
$identifierForHash = self::HASH_PREFIX . $dataHash;
return parent::save($data, $identifierForHash, $tags, self::DATA_LIFETIME) // key is hash of data hash
&& parent::save(self::HASH_PREFIX . $dataHash, $identifier, $tags, $lifeTime); // store hash of data
}
/**
* @inheritDoc
*/
public function load($identifier)
{
$data = parent::load($identifier);
if ($data === false || $data === null) {
return $data;
}
if (str_starts_with($data, self::HASH_PREFIX)) {
// so data stored in other place
return parent::load($data);
} else {
return $data;
}
}
}