Problems reading any messages in my gmail inbox using php imap

Question

<?php
$inbox = imap_open("{imap.gmail.com:993/imap/ssl}INBOX", "****@gmail.com", "*****", OP_HALFOPEN)
      or die("can't connect: " . imap_last_error());
     $check = imap_check($inbox);
     print_r($check);

imap_close($inbox);
?>

o/p

    stdClass Object ( [Date] => Tue, 8 Dec 2009 17:06:46 +0530 (India Standard Time) [Driver] => imap
[Mailbox] => {gmail-imap.l.google.com:993/imap/notls/ssl/user="****@gmail.com"}  [Nmsgs] => 0 
[Recent] => 0 )