Upload via /tmp instead of site.com/phptmp

[flexconcept]

I have troubles uploading files in docman and joomla.

Now I see that php uploads are using the /tmp directory instead of /var/www/virtual/site.name/phptmp/

but /tmp is not in my open_basedir so it gives problems while using docman and other upload tools like media manager in Joomla.

Where is this /tmp being called? I just can't find it.
I'm using ISPCP 1.07 build: 20101124
Temporarily solved it by adding /tmp in my open_basedir

Regards, Evert