(no version information, might be only in CVS)
imap_listscan --
Read the list of mailboxes, takes a string to search for in the
text of the mailbox
Description
array
imap_listscan ( resource imap_stream, string ref, string pattern, string content )
Returns an array containing the names of the mailboxes that have
content in the text of the mailbox.
This function is similar to imap_listmailbox(),
but it will additionally check for the presence of the string
content inside the mailbox data.
See imap_getmailboxes() for a description
of ref and pattern.