使用IMAP PHP将电子邮件移动到电子邮件INBOX中的新创建文件夹中

I've been working with IMAP and created a folder using (imap_createmailbox) inside my mailbox. So far so good. The problem is that I've been trying to move some emails (using imap_mail_move function) into this folder created by myself, but I haven't had luck with it and no email is moved at all.

Here is what I've been doing:

$mail_box = 'my imap server address without INBOX after "}"';
$mail_user = "my email";
$mail_pass = "my pass";

$conn = imap_open ($mail_box."INBOX", $mail_user, $mail_pass) or die (imap_last_error ()); 
$num_msgs = imap_num_msg($conn);

For ($n=1;$n<=$num_msgs;$n++) {
    $id = imap_uid($conn, $n);

    If (imap_createmailbox ($conn, $mail_box."INBOX.". MyNewfolder))
    {
       imap_mail_move($conn, $id, "INBOX/".MyNewFolder, CP_UID);
    }
}

Does anyone has any idea why haven't I been able to move these emails into the new Folder.

PS: If I create a folder out of email INBOX, then the emails get moved as expected, except when this folder is inside INBOX.

I'm leaving my thanks here in advance.

Best regards,

M.J.

For those who tried to answer this question of mine, I just want to let you know that I was able to fix this issue. Having this said, once again, a great thank you for those who tried tohelp me.

Best regards,

M.J.