List all the subscribed mailboxes

# imap_getsubscribed

(PHP 4, PHP 5, PHP 7, PHP 8)

imap_getsubscribed — List all the subscribed mailboxes

### 说明

function imap_getsubscribed(IMAP\Connection `$imap`, string `$reference`, string `$pattern`): array|false

Gets information about the subscribed mailboxes.

Identical to imap_getmailboxes(), except that it only returns mailboxes that the user is subscribed to.

### 参数

`imap`
  IMAP\Connection 实例。
`reference`

  `reference` should normally be just the server specification as described in imap_open()

  警告

  Passing untrusted data to this parameter is insecure, unless imap.enable_insecure_rsh is disabled.

`pattern`
  指定在邮箱层级的何处开始查找。 在组成 `pattern` 的字符中可使用两个特殊字符： '`*`' 和 '`%`'。 '`*`' 是指返回所有邮箱目录. 如果将 '`*`' 作为 `pattern` 参数时, 则会返回整个邮箱层级结构。 '`%`' 是指只返回当前级次。 '`%`' 作为 `pattern` 参数则只会返回顶层邮箱； '`~/mail/%`' 用于 `UW_IMAPD` 则会返回名为 ~/mail 的目录, 但不包含其子目录。

### 返回值

Returns an array of objects containing mailbox information. Each object has the attributes `name`, specifying the full name of the mailbox; `delimiter`, which is the hierarchy delimiter for the part of the hierarchy this mailbox is in; and `attributes`. `Attributes` is a bitmask that can be tested against:

- `LATT_NOINFERIORS` - This mailbox has no "children" (there are no mailboxes below this one).
- `LATT_NOSELECT` - This is only a container, not a mailbox - you cannot open it.
- `LATT_MARKED` - This mailbox is marked. Only used by UW-IMAPD.
- `LATT_UNMARKED` - This mailbox is not marked. Only used by UW-IMAPD.
- `LATT_REFERRAL` - This container has a referral to a remote mailbox.
- `LATT_HASCHILDREN` - This mailbox has selectable inferiors.
- `LATT_HASNOCHILDREN` - This mailbox has no selectable inferiors.

The function returns `false` on failure.

### 更新日志

版本 | 说明
--- | ---
8.1.0 | 现在 `imap` 参数接受 IMAP\Connection 实例，之前接受有效的 `imap` resource。

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