imap_uid
(PHP 4, PHP 5)
imap_uid — This function returns the UID for the given message sequence number
说明
int imap_uid
( resource $imap_stream
, int $msg_number
)
This 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().
返回值
The UID of the given message.
注释
Note: This function is not supported by POP3 mailboxes.
