<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Contracts\Cache;
use Psr\Cache\CacheItemInterface;
/**
* Computes and returns the cached value of an item.
*
* @author Nicolas Grekas <[email protected]>
*/
interface CallbackInterface
{
/**
* @param CacheItemInterface|ItemInterface $item The item to compute the value for
* @param bool &$save Should be set to false when the value should not be saved in the pool
*
* @return mixed The computed value for the passed item
*/
public function __invoke(CacheItemInterface $item, bool &$save);
}