function isThisAGoodName($tablename)
{
        //short version requires PECL extension
        //return runkit_lint ("<?php class $tablename {} ?" .  ">");

        //"long" version
        $temp_file = tempnam(sys_get_temp_dir(), 'rad');
        file_put_contents($temp_file, "<?php class $tablename {} ?>");

        $result = `php -lq $temp_file`;

        unlink($temp_file);
        return 0 === strpos($result, "No syntax errors detected");
}