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- 27.04.2026
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ResourceInterface.php
01 <?php
02
03 /*
04 * This file is part of the Symfony package.
05 *
06 * (c) Fabien Potencier <fabien@symfony.com>
07 *
08 * For the full copyright and license information, please view the LICENSE
09 * file that was distributed with this source code.
10 */
11
12 namespace Symfony\Component\Config\Resource;
13
14 /**
15 * ResourceInterface is the interface that must be implemented by all Resource classes.
16 *
17 * @author Fabien Potencier <fabien@symfony.com>
18 */
19 interface ResourceInterface
20 {
21 /**
22 * Returns a string representation of the Resource.
23 *
24 * This method is necessary to allow for resource de-duplication, for example by means
25 * of array_unique(). The string returned need not have a particular meaning, but has
26 * to be identical for different ResourceInterface instances referring to the same
27 * resource; and it should be unlikely to collide with that of other, unrelated
28 * resource instances.
29 *
30 * @return string A string representation unique to the underlying Resource
31 */
32 public function __toString();
33 }
34