(PHP 4, PHP 5, PHP 7, PHP 8)
imap_getsubscribed — List all the subscribed mailboxes
Gets information about the subscribed mailboxes.
Identical to imap_getmailboxes(), except that it only returns mailboxes that the user is subscribed to.
imapIMAP\Connection 实例。
reference
       reference should normally be just the server
       specification as described in imap_open()
      
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。
   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.
     
    false on failure.
  
 | 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imapresource。 | 
