(PHP 4, PHP 5, PHP 7, PHP 8)
imap_close — Close an IMAP stream
$imap, int $flags = 0): boolCloses the imap stream.
imapAn IMAP\Connection instance.
flags
       If set to CL_EXPUNGE, the function will silently
       expunge the mailbox before closing, removing all messages marked for
       deletion. You can achieve the same thing by using
       imap_expunge()
      
   成功时返回 true, 或者在失败时返回 false。
  
| 版本 | 说明 | 
|---|---|
| 8.1.0 | The imapparameter expects an IMAP\Connection
  instance now; previously, a 资源(resource) was expected. |