PHP关于switch case话语中多个值匹配一个代码块的代码

    switch ($cps_sign) {
        case 'yiqifa':
        case 'chengguo':
        case 'roiyiqifa':
        case 'lkt':
        case 'fanli':
        case 'qqfanli':
        case 'weiyi':
        case 'yoyi':
            $sql = "INSERT into sa_cps_list (`uv`,`s_time`,`cps`,`url`) VALUES ('{$uv}',{$timestamp},'{$cps_sign}','{$url}')";
            echo $sql;exit();
            mysql_query($sql);
            break;
        default:
            break;
    }