function check($queueName,$count,$timeWindow){
        $currTime=time();
        $redis = php-redis对象;//自行连接redis
        $length=$redis->lLen($queueName);
        if($length<$count){
            $redis->lPush($queueName,$currTime);
            $redis->expire($queueName,$timeWindow);
            return true;
        }
        //队列满了,取出最早访问的时间
        $earlyTime= $redis->lIndex($queueName,$length-1);
        //说明最早期的时间还在时间窗口内,还没过期,所以不允许通过
        if ($currTime-$earlyTime <= $timeWindow) {
            return false;
        } else {
            //说明最早期的访问应该过期了,去掉最早期的
            $redis->rPop($queueName);
            $redis->lPush($queueName,$currTime);
            $redis->expire($queueName,$timeWindow);
        }
        return true;
    }

if(check("tel-{$telephone}:",1,24*3600)){
    $json=array("code"=>400,"msg"=>"当前手机号频率限制");
    exit(json_encode($json));
}