int imap_reopen(string imap_stream, string mailbox, string [flags]);Returns true on success and false on error.
This function reopens the specified stream to new mailbox.
the options are a bit mask with noe or more of the following:
OP_READONLY - Open mailbox read-only
OP_ANONYMOUS - Dont use or update a .newsrc for news
OP_HALFOPEN - For IMAP and NNTP names, open a connection but dont open a mailbox
CL_EXPUNGE - Expunge mailbox automatically upon mailbox close