预定义常量

下列常量由此扩展定义，且仅在此扩展编译入 PHP 或在运行时动态载入时可用。

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.

LATT_REFERRAL (integer)

This container has a referral to a remote mailbox.

LATT_HASCHILDREN (integer)

This mailbox has selectable inferiors.

LATT_HASNOCHILDREN (integer)

This mailbox has no selectable inferiors.

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)

Primary body type: unformatted text

TYPEMULTIPART (integer)

Primary body type: multiple part

TYPEMESSAGE (integer)

Primary body type: encapsulated message

TYPEAPPLICATION (integer)

Primary body type: application data

TYPEAUDIO (integer)

Primary body type: audio

TYPEIMAGE (integer)

Primary body type: static image

TYPEVIDEO (integer)

Primary body type: video

TYPEMODEL (integer)

Primary body type: model

TYPEOTHER (integer)

Primary body type: unknown

ENC7BIT (integer)

Body encoding: 7 bit SMTP semantic data

ENC8BIT (integer)

Body encoding: 8 bit SMTP semantic data

ENCBINARY (integer)

Body encoding: 8 bit binary data

ENCBASE64 (integer)

Body encoding: base-64 encoded data

ENCQUOTEDPRINTABLE (integer)

Body encoding: human-readable 8-as-7 bit data

ENCOTHER (integer)

Body encoding: unknown

IMAP_OPENTIMEOUT (integer)

IMAP_READTIMEOUT (integer)

IMAP_WRITETIMEOUT (integer)

IMAP_CLOSETIMEOUT (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.