Resource Types
IMAP
IMAP, POP3 and NNTP
PHP Manual

# Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

`NIL` (integer)
`OP_DEBUG` (integer)
`OP_READONLY` (integer)
  Open mailbox read-only
`OP_ANONYMOUS` (integer)
  Don't use or update a .newsrc for news (NNTP only)
`OP_SHORTCACHE` (integer)
`OP_SILENT` (integer)
`OP_PROTOTYPE` (integer)
`OP_HALFOPEN` (integer)
  For IMAP and NNTP names, open a connection but don't open a mailbox.
`OP_EXPUNGE` (integer)
`OP_SECURE` (integer)
`CL_EXPUNGE` (integer)
  silently expunge the mailbox before closing when calling imap_close()
`FT_UID` (integer)
  The parameter is a UID
`FT_PEEK` (integer)
  Do not set the \Seen flag if not already set
`FT_NOT` (integer)
`FT_INTERNAL` (integer)
  The return string is in internal format, will not canonicalize to CRLF.
`FT_PREFETCHTEXT` (integer)
`ST_UID` (integer)
  The sequence argument contains UIDs instead of sequence numbers
`ST_SILENT` (integer)
`ST_SET` (integer)
`CP_UID` (integer)
  the sequence numbers contain UIDS
`CP_MOVE` (integer)
  Delete the messages from the current mailbox after copying with imap_mail_copy()
`SE_UID` (integer)
  Return UIDs instead of sequence numbers
`SE_FREE` (integer)
`SE_NOPREFETCH` (integer)
  Don't prefetch searched messages
`SO_FREE` (integer)
`SO_NOSERVER` (integer)
`SA_MESSAGES` (integer)
`SA_RECENT` (integer)
`SA_UNSEEN` (integer)
`SA_UIDNEXT` (integer)
`SA_UIDVALIDITY` (integer)
`SA_ALL` (integer)
`LATT_NOINFERIORS` (integer)
  This mailbox has no "children" (there are no mailboxes below this one).
`LATT_NOSELECT` (integer)
  This is only a container, not a mailbox - you cannot open it.
`LATT_MARKED` (integer)
  This mailbox is marked. Only used by UW-IMAPD.
`LATT_UNMARKED` (integer)
  This mailbox is not marked. Only used by UW-IMAPD.
`SORTDATE` (integer)
  Sort criteria for imap_sort(): message Date
`SORTARRIVAL` (integer)
  Sort criteria for imap_sort(): arrival date
`SORTFROM` (integer)
  Sort criteria for imap_sort(): mailbox in first From address
`SORTSUBJECT` (integer)
  Sort criteria for imap_sort(): message subject
`SORTTO` (integer)
  Sort criteria for imap_sort(): mailbox in first To address
`SORTCC` (integer)
  Sort criteria for imap_sort(): mailbox in first cc address
`SORTSIZE` (integer)
  Sort criteria for imap_sort(): size of message in octets
`TYPETEXT` (integer)
`TYPEMULTIPART` (integer)
`TYPEMESSAGE` (integer)
`TYPEAPPLICATION` (integer)
`TYPEAUDIO` (integer)
`TYPEIMAGE` (integer)
`TYPEVIDEO` (integer)
`TYPEOTHER` (integer)
`ENC7BIT` (integer)
`ENC8BIT` (integer)
`ENCBINARY` (integer)
`ENCBASE64` (integer)
`ENCQUOTEDPRINTABLE` (integer)
`ENCOTHER` (integer)
`IMAP_OPENTIMEOUT` (integer)
`IMAP_READTIMEOUT` (integer)
`IMAP_WRITETIMEOUT` (integer)
`IMAP_CLOSETIMEOUT` (integer)
`LATT_REFERRAL` (integer)
`LATT_HASCHILDREN` (integer)
`LATT_HASNOCHILDREN` (integer)
`TYPEMODEL` (integer)

Resource Types
IMAP
IMAP, POP3 and NNTP
PHP Manual