Unmark the message which is marked deleted

# imap_undelete

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

imap_undelete — Unmark the message which is marked deleted

### Description

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().

### Parameters

`imap`

  An IMAP\Connection instance.

`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`

### Return Values

Always returns `true`.

### Changelog

Version | Description
--- | ---
8.1.0 | The `imap` parameter expects an IMAP\Connection instance now; previously, a valid `imap` resource was expected.

### See Also

- imap_delete() - Mark a message for deletion from current mailbox
- imap_mail_move() - Move specified messages to a mailbox

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