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| author | Marc Alexander <admin@m-a-styles.de> | 2013-07-14 16:51:46 -0400 |
|---|---|---|
| committer | Marc Alexander <admin@m-a-styles.de> | 2013-07-14 16:51:46 -0400 |
| commit | bc6122b64ffb5c13c26991f78346fdc7dee6f9f0 (patch) | |
| tree | 31673423cd6ab751bc8b102c97e89a182a94e219 /phpBB/phpbb/filesystem.php | |
| parent | 79dd44061bbfeab64dd2ff7b40541612c219c33c (diff) | |
| parent | 1891e24ea6f5b8d5944535479182e70119b2979f (diff) | |
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Merge branch 'develop' of https://github.com/phpbb/phpbb3 into ticket/11531
Diffstat (limited to 'phpBB/phpbb/filesystem.php')
| -rw-r--r-- | phpBB/phpbb/filesystem.php | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/phpBB/phpbb/filesystem.php b/phpBB/phpbb/filesystem.php new file mode 100644 index 0000000000..27cab48fb0 --- /dev/null +++ b/phpBB/phpbb/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; + } +} |