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| author | Marc Alexander <admin@m-a-styles.de> | 2013-05-12 22:41:00 +0200 |
|---|---|---|
| committer | Marc Alexander <admin@m-a-styles.de> | 2013-05-12 22:41:00 +0200 |
| commit | 7e70eec5a37ddfe112e12b976821c5b944128d32 (patch) | |
| tree | bc5c4b8d279474dc78207f72d65915d2b4ff1064 /phpBB/includes/filesystem.php | |
| parent | f90ed6c3cb9e1b8baeb352a07b81608fa7c067b5 (diff) | |
| parent | fe13b89dd4bd6d808d81c903e66fe869ccd43050 (diff) | |
| download | forums-7e70eec5a37ddfe112e12b976821c5b944128d32.tar forums-7e70eec5a37ddfe112e12b976821c5b944128d32.tar.gz forums-7e70eec5a37ddfe112e12b976821c5b944128d32.tar.bz2 forums-7e70eec5a37ddfe112e12b976821c5b944128d32.tar.xz forums-7e70eec5a37ddfe112e12b976821c5b944128d32.zip | |
Merge branch 'develop' of https://github.com/phpbb/phpbb3 into ticket/11465
Diffstat (limited to 'phpBB/includes/filesystem.php')
| -rw-r--r-- | phpBB/includes/filesystem.php | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/phpBB/includes/filesystem.php b/phpBB/includes/filesystem.php new file mode 100644 index 0000000000..27cab48fb0 --- /dev/null +++ b/phpBB/includes/filesystem.php @@ -0,0 +1,52 @@ +<?php +/** +* +* @package phpBB3 +* @copyright (c) 2013 phpBB Group +* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2 +* +*/ +/** +* @ignore +*/ +if (!defined('IN_PHPBB')) +{ + exit; +} + +/** +* A class with various functions that are related to paths, files and the filesystem +* @package phpBB3 +*/ +class phpbb_filesystem +{ + /** + * Eliminates useless . and .. components from specified path. + * + * @param string $path Path to clean + * @return string Cleaned path + */ + public function clean_path($path) + { + $exploded = explode('/', $path); + $filtered = array(); + foreach ($exploded as $part) + { + if ($part === '.' && !empty($filtered)) + { + continue; + } + + if ($part === '..' && !empty($filtered) && $filtered[sizeof($filtered) - 1] !== '..') + { + array_pop($filtered); + } + else + { + $filtered[] = $part; + } + } + $path = implode('/', $filtered); + return $path; + } +} |