ezcMailImapTransport::listUniqueIdentifiers PHP Метод

    public function listUniqueIdentifiers($msgNum = null)
    {
        if ($this->state != self::STATE_SELECTED && $this->state != self::STATE_SELECTED_READONLY) {
            throw new ezcMailTransportException("Can't call listUniqueIdentifiers() on the IMAP transport when a mailbox is not selected.");
        }
        $result = array();
        if ($msgNum !== null) {
            $tag = $this->getNextTag();
            $this->connection->sendData("{$tag} UID SEARCH {$msgNum}");
            $response = $this->getResponse('* SEARCH');
            if (strpos($response, '* SEARCH') !== false) {
                $result[(int) $msgNum] = trim(substr($response, 9));
            }
            $response = trim($this->getResponse($tag, $response));
        } else {
            $uids = array();
            $messages = array_keys($this->listMessages());
            $tag = $this->getNextTag();
            $this->connection->sendData("{$tag} UID SEARCH UNDELETED");
            $response = $this->getResponse('* SEARCH');
            if (strpos($response, '* SEARCH') !== false) {
                $response = trim(substr($response, 9));
                if ($response !== "") {
                    $uids = explode(' ', $response);
                }
                for ($i = 0; $i < count($messages); $i++) {
                    $result[trim($messages[$i])] = $uids[$i];
                }
            }
            $response = trim($this->getResponse($tag));
        }
        if ($this->responseType($response) != self::RESPONSE_OK) {
            throw new ezcMailTransportException("The IMAP server could not fetch the unique identifiers: {$response}.");
        }
        return $result;
    }

 public function testListUniqueIdentifiersReadOnly()
 {
     $imap = new ezcMailImapTransport(self::$server, self::$port);
     $imap->authenticate(self::$user, self::$password);
     $imap->selectMailbox('inbox', true);
     $uids = $imap->listUniqueIdentifiers(1);
     $this->assertEquals(array(1 => self::$ids[0]), $uids);
 }