ID: 10850
Updated by: sniper
Old-Status: Closed
Status: Open
Bug Type: IMAP related
Operating system: 
PHP Version: 4.0.5
Assigned To: 

Reopened as documentation problem as this is at least the second time this has been 
reported as bug.

>From Mark Crispin (author of c-client?)

"POP3 UIDs are not supported.
This is a permanent restriction."


Previous Comments:

[2001-05-15 01:50:05] [EMAIL PROTECTED]
As far as I can see,

The following text for the manual says that there will be unique numbers, not numbers 
that change over time, and the only unique numbers that are available for a message is 
the UIDL number from the server,

>From the php manual:

This function returns the UID for the given message sequence number. An UID is an 
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 

In other words, an UID is not a seq number that starts with 1, goes on with 2 3 4 5 6 
etc. etc. and then starts all over when the mailbox is empty...


[2001-05-14 13:19:37] [EMAIL PROTECTED]
uhhh... no, it shouldn't. Those are not UID's.


[2001-05-14 09:38:37] [EMAIL PROTECTED]
The following code should echo out the Unique ID's generated by UIDL on the IMAP/POP 
Server, but echo's out a sequencial number starting with 1 instead...

It should probably produce ID's like, 3afffb5300000001, 3afffb5300000002, etc. etc.

$mbox = imap_open ("{}", "username", "password");

$headers = imap_headers ($mbox);

if ($headers == true) {
    while (list ($key,$val) = each ($headers)) {
        echo imap_uid($mbox, $key);
} else {
    echo "No messages in inbox";


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