Verzeichnisstruktur phpBB-3.2.0
- Veröffentlicht
- 06.01.2017
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DirectoryResource.php
001 <?php
002
003 /*
004 * This file is part of the Symfony package.
005 *
006 * (c) Fabien Potencier <fabien@symfony.com>
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 namespace Symfony\Component\Config\Resource;
013
014 /**
015 * DirectoryResource represents a resources stored in a subdirectory tree.
016 *
017 * @author Fabien Potencier <fabien@symfony.com>
018 */
019 class DirectoryResource implements SelfCheckingResourceInterface, \Serializable
020 {
021 private $resource;
022 private $pattern;
023
024 /**
025 * Constructor.
026 *
027 * @param string $resource The file path to the resource
028 * @param string|null $pattern A pattern to restrict monitored files
029 */
030 public function __construct($resource, $pattern = null)
031 {
032 $this->resource = $resource;
033 $this->pattern = $pattern;
034 }
035
036 /**
037 * {@inheritdoc}
038 */
039 public function __toString()
040 {
041 return md5(serialize(array($this->resource, $this->pattern)));
042 }
043
044 /**
045 * {@inheritdoc}
046 */
047 public function getResource()
048 {
049 return $this->resource;
050 }
051
052 /**
053 * Returns the pattern to restrict monitored files.
054 *
055 * @return string|null
056 */
057 public function getPattern()
058 {
059 return $this->pattern;
060 }
061
062 /**
063 * {@inheritdoc}
064 */
065 public function isFresh($timestamp)
066 {
067 if (!is_dir($this->resource)) {
068 return false;
069 }
070
071 $newestMTime = filemtime($this->resource);
072 foreach (new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->resource), \RecursiveIteratorIterator::SELF_FIRST) as $file) {
073 // if regex filtering is enabled only check matching files
074 if ($this->pattern && $file->isFile() && !preg_match($this->pattern, $file->getBasename())) {
075 continue;
076 }
077
078 // always monitor directories for changes, except the .. entries
079 // (otherwise deleted files wouldn't get detected)
080 if ($file->isDir() && '/..' === substr($file, -3)) {
081 continue;
082 }
083
084 $newestMTime = max($file->getMTime(), $newestMTime);
085 }
086
087 return $newestMTime < $timestamp;
088 }
089
090 public function serialize()
091 {
092 return serialize(array($this->resource, $this->pattern));
093 }
094
095 public function unserialize($serialized)
096 {
097 list($this->resource, $this->pattern) = unserialize($serialized);
098 }
099 }
100