protected function getFlags()
    {
        $tales = '';
        if (!empty($this->tales)) {
            $tales = ' -i ' . $this->phpci->buildPath . $this->tales;
        }

        $suffixes = '';
        if (count($this->suffixes)) {
            $suffixes = ' -e ' . implode(',', $this->suffixes);
        }

        return array($suffixes, $tales);
    }