34 lines
1 KiB
PHP
34 lines
1 KiB
PHP
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<?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\Component\Config\Resource;
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/**
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* ResourceInterface is the interface that must be implemented by all Resource classes.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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interface ResourceInterface
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{
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/**
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* Returns a string representation of the Resource.
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*
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* This method is necessary to allow for resource de-duplication, for example by means
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* of array_unique(). The string returned need not have a particular meaning, but has
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* to be identical for different ResourceInterface instances referring to the same
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* resource; and it should be unlikely to collide with that of other, unrelated
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* resource instances.
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*
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* @return string A string representation unique to the underlying Resource
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*/
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public function __toString();
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}
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