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<?php
/*
* This file is part of php-cache organization.
*
* (c) 2015 Aaron Scherer <aequasi@gmail.com>, Tobias Nyholm <tobias.nyholm@gmail.com>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
namespace Cache\TagInterop;
use Psr\Cache\CacheItemPoolInterface;
use Psr\Cache\InvalidArgumentException;
/**
* Interface for invalidating cached items using tags. This interface is a soon-to-be-PSR.
*
* @author Tobias Nyholm <tobias.nyholm@gmail.com>
* @author Nicolas Grekas <p@tchwork.com>
*/
interface TaggableCacheItemPoolInterface extends CacheItemPoolInterface
{
/**
* Invalidates cached items using a tag.
*
* @param string $tag The tag to invalidate
*
* @throws InvalidArgumentException When $tags is not valid
*
* @return bool True on success
*/
public function invalidateTag($tag);
/**
* Invalidates cached items using tags.
*
* @param string[] $tags An array of tags to invalidate
*
* @throws InvalidArgumentException When $tags is not valid
*
* @return bool True on success
*/
public function invalidateTags(array $tags);
/**
* {@inheritdoc}
*
* @return TaggableCacheItemInterface
*/
public function getItem($key);
/**
* {@inheritdoc}
*
* @return array|\Traversable|TaggableCacheItemInterface[]
*/
public function getItems(array $keys = []);
}
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