<?php
require_once?'vendor/autoload.php';
use?Predis\Client;

function?getKeyName($v)
{
???return?'c_'?.?$v;
}

function?getRedisClient()
{
???return?new?Client([
???????'host'?=>?'127.0.0.1',
????????'port'?=>?6379
????]);
}

function?writeLog($msg,?$v)
{
????$log?=?$msg?.?PHP_EOL;
????$path?=?'log/';
????$filename?=?$path?.?$v?.?'.log';
????if(!is_dir($path)){
????????$flag?=?mkdir($path,0777,true);
????}
????file_put_contents($filename,?$log,?FILE_APPEND);
}

function?counter1()
{
????$amountLimit?=?100;
????$key?=?getKeyName('counter1');
????$redis?=?getRedisClient();
????$incrAmount?=?1;
????if?(!$redis->exists($key))?{
????????$redis->set($key,?95);
????}
????$currAmount?=?$redis->get($key);
????if?($currAmount?+?$incrAmount?>?$amountLimit)?{
????????writeLog("Bad?luck",?'counter1');
????????return;
????}
????$redis->incrby($key,?$incrAmount);
????writeLog("Good?luck",?'counter1');
}

function?counter2()
{
????$amountLimit?=?100;
????$key?=?getKeyName('counter2');
????$redis?=?getRedisClient();
????$incrAmount?=?1;
????$redis->setnx($key,?95);
????if?($redis->incrby($key,?$incrAmount)?>?$amountLimit)?{
????????writeLog("Bad?luck",?'counter2');
????????return;
????}
????writeLog("Good?luck",?'counter2');
}
if?(isset($_GET['v'])?&&?$_GET['v']?==?2)?{
????counter2();
}?else?{
????counter1();
}