aboutsummaryrefslogtreecommitdiffstats
path: root/phpBB/phpbb/filesystem.php
diff options
context:
space:
mode:
authorNils Adermann <naderman@naderman.de>2013-07-14 01:32:34 -0400
committerNils Adermann <naderman@naderman.de>2013-07-14 01:32:34 -0400
commit7030578bbe9e11c18b5becaf8b06e670e3c2e3cd (patch)
treea260c846cb47713e72de11cfb9803d981ea6faaf /phpBB/phpbb/filesystem.php
parent4186c05bb4b97374392031a10b796e77b857afaf (diff)
downloadforums-7030578bbe9e11c18b5becaf8b06e670e3c2e3cd.tar
forums-7030578bbe9e11c18b5becaf8b06e670e3c2e3cd.tar.gz
forums-7030578bbe9e11c18b5becaf8b06e670e3c2e3cd.tar.bz2
forums-7030578bbe9e11c18b5becaf8b06e670e3c2e3cd.tar.xz
forums-7030578bbe9e11c18b5becaf8b06e670e3c2e3cd.zip
[ticket/11698] Moving all autoloadable files to phpbb/
PHPBB3-11698
Diffstat (limited to 'phpBB/phpbb/filesystem.php')
-rw-r--r--phpBB/phpbb/filesystem.php52
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;
+ }
+}