imap_sort Gets and sort messages &reftitle.description; arrayfalseimap_sort resourceimap intcriteria boolreverse intflags0 stringnullsearch_criteria&null; stringnullcharset&null; Gets and sorts message numbers by the given parameters. &reftitle.parameters; &imap.imap-stream.description; criteria 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 reverse Whether to sort in reverse order. flags 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 search_criteria IMAP2-format search criteria string. For details see imap_search. charset MIME character set to use when sorting strings. &reftitle.returnvalues; Returns an array of message numbers sorted by the given parameters, &return.falseforfailure;. &reftitle.changelog; &Version; &Description; 8.0.0 reverse is now bool instead of int. 8.0.0 search_criteria and charset are now nullable.