Description:
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Fast CGI interface is broken in both 4.3.2 4.3.3rc1 and the most recent snap shot for web server with Fast CGI implementation that follows CGI specification.
Our LiteSpeed web server (at http://www.litespeedtech.com ) supports PHP through the Fast CGI interface (faster than Apache's mod_php). Our Fast CGI implementation follows the CGI specification and set environment variables exactly as what Apache's CGI does. It set SCRIPT_FILENAME=/docroot/info.php and works fine with 4.3.1, but the interface is broken since 4.3.2.
Our test shows that 
SG(request_info).path_translated 
is not populated with the value of SCRIPT_FILENAME but is NULL.
Further study shows that the root cause is at cgi-main.c:812 in release 4.3.2
> script_path_translated=env_path_translated;
set script_path_translated to NULL or whatever the value of PATH_TRANSLATED. If we take that line out, every thing works fine.
We can use --enable-discard-path to avoid it but it is forbidden in README.FastCGI (We don't know why based on our reading of the source code).
I think one possilbe fix is to avoid that line of code for FastCGI, but may need to add some code for Apache's mod_fastcgi. Or change the document, say: --enable-discard-path should be used for web server follows CGI Specs.  

Sincerely,
LiteSpeed Team