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NullEngine.php
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NullEngine.php
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<?php
declare(strict_types=1);
/**
* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
* @link https://cakephp.org CakePHP(tm) Project
* @since 3.0.0
* @license https://opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\Cache\Engine;
use Cake\Cache\CacheEngine;
/**
* Null cache engine, all operations appear to work, but do nothing.
*
* This is used internally for when Cache::disable() has been called.
*/
class NullEngine extends CacheEngine
{
/**
* @inheritDoc
*/
public function init(array $config = []): bool
{
return true;
}
/**
* @inheritDoc
*/
public function set($key, $value, $ttl = null): bool
{
return true;
}
/**
* @inheritDoc
*/
public function setMultiple($values, $ttl = null): bool
{
return true;
}
/**
* @inheritDoc
*/
public function get($key, $default = null)
{
return $default;
}
/**
* @inheritDoc
*/
public function getMultiple($keys, $default = null): iterable
{
return [];
}
/**
* @inheritDoc
*/
public function increment(string $key, int $offset = 1)
{
return 1;
}
/**
* @inheritDoc
*/
public function decrement(string $key, int $offset = 1)
{
return 0;
}
/**
* @inheritDoc
*/
public function delete($key): bool
{
return true;
}
/**
* @inheritDoc
*/
public function deleteMultiple($keys): bool
{
return true;
}
/**
* @inheritDoc
*/
public function clear(): bool
{
return true;
}
/**
* @inheritDoc
*/
public function clearGroup(string $group): bool
{
return true;
}
}