From:             
Operating system: Windows
PHP version:      5.4.0beta1
Package:          Built-in web server
Bug Type:         Bug
Bug description:Changing the working directory makes router script inaccessible

Description:
------------
A router script that calls 'chdir()' to set the working directory for
scripts in subdirectories is not found in the next request.

The first request works fine, but the second request outputs an error.

The problem can be avoided using an absolute path for the router script in
command line.

Test script:
---------------
<?php

// a subdirectory "admin" is needed 
chdir(__DIR__.'/admin');

echo 'Hallo Welt';

Expected result:
----------------
Hallo Welt

Actual result:
--------------
Warning: Unknown: failed to open stream: No such file or directory in
Unknown on line 0

Fatal error: Unknown: Failed opening required 'chdir-bug.php'
(include_path='.;C:\php\pear') in Unknown on line 0

-- 
Edit bug report at https://bugs.php.net/bug.php?id=55726&edit=1
-- 
Try a snapshot (PHP 5.4):            
https://bugs.php.net/fix.php?id=55726&r=trysnapshot54
Try a snapshot (PHP 5.3):            
https://bugs.php.net/fix.php?id=55726&r=trysnapshot53
Try a snapshot (trunk):              
https://bugs.php.net/fix.php?id=55726&r=trysnapshottrunk
Fixed in SVN:                        
https://bugs.php.net/fix.php?id=55726&r=fixed
Fixed in SVN and need be documented: 
https://bugs.php.net/fix.php?id=55726&r=needdocs
Fixed in release:                    
https://bugs.php.net/fix.php?id=55726&r=alreadyfixed
Need backtrace:                      
https://bugs.php.net/fix.php?id=55726&r=needtrace
Need Reproduce Script:               
https://bugs.php.net/fix.php?id=55726&r=needscript
Try newer version:                   
https://bugs.php.net/fix.php?id=55726&r=oldversion
Not developer issue:                 
https://bugs.php.net/fix.php?id=55726&r=support
Expected behavior:                   
https://bugs.php.net/fix.php?id=55726&r=notwrong
Not enough info:                     
https://bugs.php.net/fix.php?id=55726&r=notenoughinfo
Submitted twice:                     
https://bugs.php.net/fix.php?id=55726&r=submittedtwice
register_globals:                    
https://bugs.php.net/fix.php?id=55726&r=globals
PHP 4 support discontinued:          
https://bugs.php.net/fix.php?id=55726&r=php4
Daylight Savings:                    https://bugs.php.net/fix.php?id=55726&r=dst
IIS Stability:                       
https://bugs.php.net/fix.php?id=55726&r=isapi
Install GNU Sed:                     
https://bugs.php.net/fix.php?id=55726&r=gnused
Floating point limitations:          
https://bugs.php.net/fix.php?id=55726&r=float
No Zend Extensions:                  
https://bugs.php.net/fix.php?id=55726&r=nozend
MySQL Configuration Error:           
https://bugs.php.net/fix.php?id=55726&r=mysqlcfg

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