預設常數

以下常數由擴充功能定義，因此只有在擴充功能被編譯到 PHP 中，或者在執行時被動態載入後才有效。

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)

IMAP_GC_ELT (integer)

Garbage collector, clear message cache elements.

IMAP_GC_ENV (integer)

Garbage collector, clear envelopes and bodies.

IMAP_GC_TEXTS (integer)

Garbage collector, clear texts.