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- <?php
- /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Symfony\Component\Config\Resource;
- /**
- * FileResource represents a resource stored on the filesystem.
- *
- * The resource can be a file or a directory.
- *
- * @author Fabien Potencier <fabien@symfony.com>
- *
- * @final
- */
- class FileResource implements SelfCheckingResourceInterface
- {
- /**
- * @var string|false
- */
- private $resource;
- /**
- * @param string $resource The file path to the resource
- *
- * @throws \InvalidArgumentException
- */
- public function __construct(string $resource)
- {
- $this->resource = realpath($resource) ?: (file_exists($resource) ? $resource : false);
- if (false === $this->resource) {
- throw new \InvalidArgumentException(sprintf('The file "%s" does not exist.', $resource));
- }
- }
- /**
- * {@inheritdoc}
- */
- public function __toString(): string
- {
- return $this->resource;
- }
- /**
- * @return string The canonicalized, absolute path to the resource
- */
- public function getResource(): string
- {
- return $this->resource;
- }
- /**
- * {@inheritdoc}
- */
- public function isFresh(int $timestamp): bool
- {
- return false !== ($filemtime = @filemtime($this->resource)) && $filemtime <= $timestamp;
- }
- }
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