F:\temp\php-5.3-win32-VC9-x86-latest>php -v
PHP 5.3.1-dev (cli) (built: Aug 10 2009 19:52:21)
Copyright (c) 1997-2009 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2009 Zend Technologies

F:\temp\php-5.3-win32-VC9-x86-latest>mkdir testcase

F:\temp\php-5.3-win32-VC9-x86-latest>cd testcase

F:\temp\php-5.3-win32-VC9-x86-latest\testcase>echo "This is a file" > test.txt

F:\temp\php-5.3-win32-VC9-x86-latest\testcase>cd ..

F:\temp\php-5.3-win32-VC9-x86-latest>junction testcase-junction testcase

Junction v1.05 - Windows junction creator and reparse point viewer
Copyright (C) 2000-2007 Mark Russinovich
Systems Internals - http://www.sysinternals.com

Created: F:\temp\php-5.3-win32-VC9-x86-latest\testcase-junction
Targetted at: F:\temp\php-5.3-win32-VC9-x86-latest\testcase

F:\temp\php-5.3-win32-VC9-x86-latest>php test.php

Warning: file_get_contents(testcase-junction/test.txt): failed to open stream: No such file or directory in F:\temp\php-5.3-win32-VC9-x86-latest\test.php on line 2
bool(false)
string(19) ""This is a file"
"

F:\temp\php-5.3-win32-VC9-x86-latest>dir

[snip]
10.08.2009  22:40    <DIR>          testcase
10.08.2009  22:41    <JUNCTION>     testcase-junction



F:\temp\php5.2.5>php -v
PHP 5.2.5 (cli) (built: Nov  8 2007 23:18:51)
Copyright (c) 1997-2007 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2007 Zend Technologies

F:\temp\php5.2.5>mkdir testcase

F:\temp\php5.2.5>cd testcase

F:\temp\php5.2.5\testcase>echo "This is a file" > test.txt

F:\temp\php5.2.5\testcase>cd ..

F:\temp\php5.2.5>junction testcase-junction testcase

Junction v1.05 - Windows junction creator and reparse point viewer
Copyright (C) 2000-2007 Mark Russinovich
Systems Internals - http://www.sysinternals.com

Created: F:\temp\php5.2.5\testcase-junction
Targetted at: F:\temp\php5.2.5\testcase

F:\temp\php5.2.5>php test.php
string(19) ""This is a file"
"
string(19) ""This is a file"
"

F:\temp\php5.2.5>dir

[snip]
10.08.2009  22:46    <DIR>          testcase
10.08.2009  22:46    <JUNCTION>     testcase-junction