#32162 [Com]: dirname returning \ for root entries

From: Date: Wed, 15 Aug 2007 23:36:22 +0000
Subject: #32162 [Com]: dirname returning \ for root entries
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-116137@lists.php.net to get a copy of this message
 ID:               32162
 Comment by:       ich at der-bigga dot de
 Reported By:      paul at wavebreaks dot com
 Status:           No Feedback
 Bug Type:         Directory function related
 Operating System: Windows XP SP2
 PHP Version:      5.0.3
 New Comment:

This problem still exists with version 5.2.3 (OS: Windows XP SP 2,
German) like loom at nons dot de mentioned. The string dirname() return
should always include the same directory separator character as the
string provided. So if I use the following:
print (dirname('/foo')."\n");
the function should return '/' because I used the slash as directory
seperator character, too.


Previous Comments:
------------------------------------------------------------------------

[2005-05-05 14:01:07] loom at nons dot de

still this problem with PHP 5.0.4 WinXP SP2

Details:
PHP Version 5.0.4
System 	Windows NT LOOM-M 5.1 build 2600
Build Date 	Mar 31 2005 02:44:34
Configure Command 	cscript /nologo configure.js
"--enable-snapshot-build" "--with-gd=shared"
Server API 	Apache
Virtual Directory Support 	enabled
Configuration File (php.ini) Path 	C:\WINDOWS\php.ini
PHP API 	20031224
PHP Extension 	20041030
Zend Extension 	220040412
Debug Build 	no
Thread Safety 	enabled

apache
Apache for Windows 95/NT

Apache Version 	Apache/1.3.29 (Win32) PHP/5.0.4
Apache Release 	10329100
Apache API Version 	19990320

------------------------------------------------------------------------

[2005-03-20 18:11:20] sniper@php.net

No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Open". Thank you.



------------------------------------------------------------------------

[2005-03-06 16:26:36] sniper@php.net

Please try using this CVS snapshot:

  http://snaps.php.net/php5-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php5-win32-latest.zip



------------------------------------------------------------------------

[2005-03-02 08:21:05] paul at wavebreaks dot com

Description:
------------
This is probably the same or related to
http://bugs.php.net/bug.php?id=25450 and
http://bugs.php.net/bug.php?id=18710 but since
they are for Win 2k
and/or closed, I thought the best bet was to open a new one.

When a path-like-string is passed to dirname, if, and only if, the last
entity (file, dir) is on the root (ie: only one / in the string) then
dirname returns a backslash instead of a forward slash.

There doesn't appear to be a config to tell PHP which part seperator to
use, thus the dirname function is pointlessly broken unless you can
guarentee it will never be given a root level entry.

This, also, breaks your example in the documentation for header() for
Location: header types.

Reproduce code:
---------------
print (dirname('/foo')."\n");
print (dirname('/foo/bar')."\n");

Expected result:
----------------
/
/foo

Actual result:
--------------
\
/foo

You might argue it's not a bug since Windows is meant to handle both
types of path seperator, but a URI does not, and this is you main
audience. 

This issue has been around for way past way too long.


------------------------------------------------------------------------


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