imap_uid
(PHP 4, PHP 5, PHP 7, PHP 8)
imap_uid — This function returns the UID for the given message sequence number
說明
imap_uid(IMAP\Connection
$imap, int $message_num): int|falseThis function returns the UID for the given message sequence number. An UID is a unique identifier that will not change over time while a message sequence number may change whenever the content of the mailbox changes.
This function is the inverse of imap_msgno().
參數
-
imap -
IMAP\Connection 實例。
-
message_num -
The message number.
返回值
The UID of the given message.
更新日誌
| 版本 | 說明 |
|---|---|
| 8.1.0 |
現在 imap 參數接受 IMAP\Connection
實例，之前接受 資源(resource)。
|
註釋
注意:
This function is not supported by POP3 mailboxes.