imap_msgno

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

imap_msgno — Gets the message sequence number for the given UID

说明

imap_msgno(IMAP\Connection $imap, int $message_uid): int

Returns the message sequence number for the given message_uid.

This function is the inverse of imap_uid().

参数

imap: IMAP\Connection 实例。
message_uid: The message UID

返回值

Returns the message sequence number for the given message_uid.

更新日志

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。

参见

imap_uid() - This function returns the UID for the given message sequence number

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phpdocu at malli dot co dot at ¶

2 years ago

Here is a simple working snippet to properly check the return value of imap_msgno():

$id = imap_msgno($imapConnection, $mailUid); //convert to normal messagenumber in current context
$verifyUid = imap_uid($imapConnection, $id);
if ($verifyUid != $mailUid)
  throw new Exception("Attention: imap_msgno returned nonsense!  The mail was probably not found in the mailbox!");