I've been trying and searching about a small issue I have in our php application. We use a which to find the full path of a program, however it returns with
which: no bla in ((null))
on Centos, on our own debian boxes it works just fine. I've figured out since then that (obviously) the PATH is not available in the shell from PHP. But what I can't find out is why that is the case. I've replaced the command with all sorts of commands to find out what the environment is in which I run in.
If I run an echo $PATH I actually see the directories I've set in the .bash_profile. If I run echo $SHELL I know I am using bash, if I run whoami I found out I am not the apache user but a different user, whom I changed the .bash_profile for. As I've read there's a difference between shells, so I thought it might not load the .bash_profile so I've also added the export PATH to the .bashrc.
I can get it to work with a change in the code, I could replace the which, but I am just genuinely interested in why this is not working on this centos configuration. I've now added an export PATH in the exec function before the which and it works, and should also work on other systems, but still I think it shouldn't be necessary.
Anyone know what could cause this behaviour?
