On Jul 23, 2013, at 9:55 AM, Daniel Brown <danbr...@php.net> wrote:
>    If it's /tmp, it's /tmp.  The leading slash indicates that it's in
> the filesystem root.  However, if it's just tmp, then it could - and
> probably is - under the client's home directory.  Unless they're
> chrooted; then it could be displayed as /tmp, but would actually be
> virtualized by the OS, where /tmp isn't really /tmp, but could be
> /var/virtfs/user/tmp.
>    Confusing?  Sure.  Off-topic for the list?  Sort of, but that's
> easy enough to change.
>    Since you can't use get_sys_temp_dir() on 4.3.10, you should
> instead see if $_ENV contains an array key for TMP, TMPDIR, or TEMP.
> Or, if you'd rather, you can use getenv('TMP') and the like.  It
> doesn't mean that you'll get any useful information back (or anything
> at all, necessarily), but it's another thing to try when using such an
> antiquated version (I believe it was released at the end of 2004).

Thanks Daniel.



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