What is the best way to communicate this problem to my host. What is the
solution? I don't actually understand how php can upload a file, move a
file and then write itself out of the permission realm
In unix, you can alter the permissions on any file you own, and you can lock yourself out.
You can make a file write-only!
Root, of course, can override all permissions.
It may be not the permissions, but the ownership of the file.
If you have shell access, do a ls -l, and see the permissions and ownership.
--
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