string imap_sort(int stream, int criteria, int reverse, int options);Returns an array of message numbers sorted by the given parameters
Rev is 1 for reverse-sorting.
Criteria can be one (and only one) of the following: SORTDATE message Date SORTARRIVAL arrival date SORTFROM mailbox in first From address SORTSUBJECT message Subject SORTTO mailbox in first To address SORTCC mailbox in first cc address SORTSIZE size of message in octets
The flags are a bitmask of one or more of the following: SE_UID Return UIDs instead of sequence numbers SE_NOPREFETCH Don't prefetch searched messages.