imap_undelete

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

imap_undelete — Unmark the message which is marked deleted

imap_undelete(IMAP\Connection $imap, string $message_nums, int $flags = 0): true

Removes the deletion flag for a specified message, which is set by imap_delete() or imap_mail_move().

imap: IMAP\Connection 实例。
message_nums: A string representing one or more messages in IMAP4-style sequence format ("n", "n:m", or combination of these delimited by commas).
flags

总是返回 true。

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。