# imap_clearflag_full

(PHP 4, PHP 5, PHP 7)

imap_clearflag_full — Clears flags on messages

### 说明

imap_clearflag_full ( resource `$imap_stream` , string `$sequence` , string `$flag` [, int `$options` = 0 ] ) : bool

This function causes a store to delete the specified `flag` to the flags set for the messages in the specified `sequence`.

### 参数

`imap_stream`

  由 imap_open() 返回的 IMAP 流。

`sequence`

  A sequence of message numbers. You can enumerate desired messages with the X,Y syntax, or retrieve all messages within an interval with the X:Y syntax

`flag`

  The flags which you can unset are "\\Seen", "\\Answered", "\\Flagged", "\\Deleted", and "\\Draft" (as defined by » RFC2060)

`options`

  `options` are a bit mask and may contain the single option:

  - `ST_UID` - The sequence argument contains UIDs instead of sequence numbers

### 返回值

成功时返回 `TRUE`， 或者在失败时返回 `FALSE`。

### 参见

- imap_setflag_full() - Sets flags on messages