Description:
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If you add additional path information after the script name (as in www.domain.com/script.php/passed/arguments/) and the information is a URL (as in www.domain.com/script.php/http://www.php.net/), then $_SERVER['SCRIPT_NAME'] will contain '/script.php/http:'.

This has only been tested with Apache 2.0.50 and PHP 4.3.8 in sapi mode (not CGI).

In my test Linux enviroment, $_SERVER['SCRIPT_NAME'] will contain '/script.php' as expected, but that seems to be because the URL is translated to 'www.domain.com/script.php/http:/www.php.net/' (notice only one slash after http: instead of two).