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