<?php?

require './vendor/autoload.php';

use Predis\Client;

function getRedisClient(){

$server = array(

? ? 'host'? ? ?=> '127.0.0.1',

? ? 'port'? ? ?=> 6379

);

return new? Client($server);

}

function getKeyName($v){

return "mycounter_".$v;

}

function writeLog($msg,$v){

$log = $msg.PHP_EOL;

file_put_contents("log/$v.log", $log,FILE_APPEND);

}

function v1(){

$amountLimit = 100;

$keyName = getKeyName('v1');

$redis = getRedisClient();

$incrAmount = 1;

if(!$redis->exists($keyName)){

$redis->set($keyName,95);

}

$currAmount = $redis->get($keyName);

if($currAmount+$incrAmount>$amountLimit){

writeLog('Bad Luck','v1');

return;

}

writeLog('Good Luck','v1');

$redis->incrby($keyName,$incrAmount);

}

v1();