Horde_Imap_Client_Cache::getMetaData PHP Méthode

    public function getMetaData($mailbox, $uidvalid = null, array $entries = array())
    {
        return $this->_backend->getMetaData(strval($mailbox), $uidvalid, $entries);
    }

 /**
  * Updates the cached MODSEQ value.
  *
  * @param integer $modseq  MODSEQ value to store.
  *
  * @return mixed  The MODSEQ of the old value if it was replaced (or false
  *                if it didn't exist or is the same).
  */
 protected function _updateModSeq($modseq)
 {
     if (!$this->_initCache(true)) {
         return false;
     }
     $mbox_ob = $this->_mailboxOb();
     $uidvalid = $mbox_ob->getStatus(Horde_Imap_Client::STATUS_UIDVALIDITY);
     $md = $this->_cache->getMetaData($this->_selected, $uidvalid, array(self::CACHE_MODSEQ));
     if (isset($md[self::CACHE_MODSEQ])) {
         if ($md[self::CACHE_MODSEQ] < $modseq) {
             $set = true;
             $sync = $md[self::CACHE_MODSEQ];
         } else {
             $set = false;
             $sync = 0;
         }
         $mbox_ob->setStatus(Horde_Imap_Client::STATUS_SYNCMODSEQ, $md[self::CACHE_MODSEQ]);
     } else {
         $set = true;
         $sync = 0;
     }
     /* $modseq can be 0 - NOMODSEQ - so don't store in that case. */
     if ($set && $modseq) {
         $this->_cache->setMetaData($this->_selected, $uidvalid, array(self::CACHE_MODSEQ => $modseq));
     }
     return $sync;
 }