Description:
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In PHP4 the working directory is the directory where the script lives. In PHP5 it's the root of the website. This has a huge impact on scripts that use the filesystem functions to access local files.

For example, the getcwd() function in a script called "c:/inetpub/wwwroot/work/test.php" will report "c:\inetpub\wwwroot\work" on PHP4, and "c:\inetpub\wwwroot" on PHP5.

I have only Windows 2000 with IIS at my disposal, I've not tested on Linux and Apache.

Reproduce code:
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echo getcwd();

Expected result:
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The directory where the script lives.

Actual result:
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The home directory of the website.