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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; /* * DirectoryResource represents a resources stored in a subdirectory tree. * * @author Fabien Potencier <fabien@symfony.com> / class DirectoryResource implements ResourceInterface, \Serializable { private $resource; private $pattern; /* * Constructor. * * @param string $resource The file path to the resource * @param string $pattern A pattern to restrict monitored files / public function __construct($resource, $pattern = null) { $this->resource = $resource; $this->pattern = $pattern; } /* * Returns a string representation of the Resource. * * @return string A string representation of the Resource / public function __toString() { return (string) $this->resource; } /* * Returns the resource tied to this Resource. * * @return mixed The resource / public function getResource() { return $this->resource; } public function getPattern() { return $this->pattern; } /* * Returns true if the resource has not been updated since the given timestamp. * * @param integer $timestamp The last time the resource was loaded * * @return Boolean true if the resource has not been updated, false otherwise */ public function isFresh($timestamp) { if (!is_dir($this->resource)) { return false; } $newestMTime = filemtime($this->resource); foreach (new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->resource), \RecursiveIteratorIterator::SELF_FIRST) as $file) { // if regex filtering is enabled only check matching files if ($this->pattern && $file->isFile() && !preg_match($this->pattern, $file->getBasename())) { continue; } // always monitor directories for changes, except the .. entries // (otherwise deleted files wouldn't get detected) if ($file->isDir() && '/..' === substr($file, -3)) { continue; } $newestMTime = max($file->getMTime(), $newestMTime); } return $newestMTime < $timestamp; } public function serialize() { return serialize(array($this->resource, $this->pattern)); } public function unserialize($serialized) { list($this->resource, $this->pattern) = unserialize($serialized); } }