Also, if a school admits you to its PhD program, but offers no funding, I’d think very long and hard before committing to it. (I would never have, for one thing, I already had enough loans from college.) If they don’t believe in supporting you financially, it’s not clear whether they really believe in supporting you at all.
No. I can't make it any clearer than that. You should not "think very long and hard before committing" to the PhD program, and yes, it is clear they really won't support you. There's no thinking to do here. Your decision's been made for you.