public function getContent(Smarty_Template_Source $source)
    {
        $t = '';
        // the availability of the stream has already been checked in Smarty_Resource::fetch()
        $fp = fopen($source->filepath, 'r+');
        if ($fp) {
            while (!feof($fp) && ($current_line = fgets($fp)) !== false) {
                $t .= $current_line;
            }
            fclose($fp);

            return $t;
        } else {
            return false;
        }
    }