Returns an array of integer values pertaining to the
specified user mailbox. All values contain a key based upon
the resource name, and a corresponding array with the usage
and limit values within.
The limit value represents the total amount of space
allowed for this user's total mailbox usage. The usage value
represents the user's current total mailbox capacity. This
function will return FALSE
in the case of call failure, and an array of information
about the connection upon an un-parsable response from the
server.
This function is currently only available to users of
the c-client2000 or greater library.
imap_stream should be
the value returned from an
imap_open() call. This stream
should be opened as the user whose mailbox you wish to check.
quota_root should normally
be in the form of which mailbox (i.e. INBOX).
See also imap_open(),
imap_set_quota(),
imap_get_quota().