# imap_fetch_overview

(PHP 4, PHP 5, PHP 7)

imap_fetch_overview — Read an overview of the information in the headers of the given message

### 说明

imap_fetch_overview ( resource `$imap_stream` , string `$sequence` [, int `$options` = 0 ] ) : array

This function fetches mail headers for the given `sequence` and returns an overview of their contents.

### 参数

`imap_stream`

  由 imap_open() 返回的 IMAP 流。

`sequence`

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

`options`

  `sequence` will contain a sequence of message indices or UIDs, if this parameter is set to `FT_UID`.

### 返回值

Returns an array of objects describing one message header each. The object will only define a property if it exists. The possible properties are:

- subject - the messages subject
- from - who sent it
- to - recipient
- date - when was it sent
- message_id - Message-ID
- references - is a reference to this message id
- in_reply_to - is a reply to this message id
- size - size in bytes
- uid - UID the message has in the mailbox
- msgno - message sequence number in the mailbox
- recent - this message is flagged as recent
- flagged - this message is flagged
- answered - this message is flagged as answered
- deleted - this message is flagged for deletion
- seen - this message is flagged as already read
- draft - this message is flagged as being a draft
- udate - the UNIX timestamp of the arrival date

### 更新日志

版本 | 说明
--- | ---
5.3.3 | Add the udate property.

### 范例

Example #1 imap_fetch_overview() example

    <?php
    $mbox = imap_open("{imap.example.org:143}INBOX", "username", "password")
         or die("can't connect: " . imap_last_error());

    $MC = imap_check($mbox);

    // Fetch an overview for all messages in INBOX
    $result = imap_fetch_overview($mbox,"1:{$MC->Nmsgs}",0);
    foreach ($result as $overview) {
        echo "#{$overview->msgno} ({$overview->date}) - From: {$overview->from}
        {$overview->subject}\n";
    }
    imap_close($mbox);
    ?>

### 参见

- imap_fetchheader() - Returns header for a message