This may be more of an Apache question, but I was hoping that someone here
would have an idea about this.
I tracked down a bug in one of my scripts that was caused by environment
variable that was being registered as global without my knowledge (due to
the register_globals setting). My script was depending on this variable
not being set in certain conditions but I didn't take into account the fact
that it could be set via an environment variable.
While troubleshooting this I was looking through the output of phpinfo()
and I found something curious in the environment variables across the three
different servers that I administer. All three are running Redhat, Apache
1.3.19, and PHP 4.0.4.pl1, with PHP compiled as an Apache module
(--with-apxs). One of the servers is Redhat 7.0, the other two are Redhat
7.1. On both the Redhat 7.1 servers, phpinfo() reports the following
"michaels" is the user account that I use on these servers to do a majority
of my work, only su'ing to root when absolutely necessary.
I'm confused as to why these variables exist. I know for a fact that
Apache is running as "nobody". That's what the httpd.conf file is
configured for and I can verify that by viewing the output of "ps aux" I
did build apache and php as this user, but I su'ed to root for the "make
install" portion. I launched apache with "apachectl" as root.
On the Redhat 7.0 machine these env vars don't exist.
Can anyone enlighten me or perhaps point me to a source of more info? Any
help would be appreciated...
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