imap_close

(PHP 4, PHP 5)

imap_close — Close an IMAP stream

bool imap_close ( resource $imap_stream [, int $flag=0 ] )

Closes the imap stream.

imap_stream: An IMAP stream returned by imap_open().
flag: 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()

如果成功则返回 TRUE，失败则返回 FALSE。