<?php

$redis = new Redis();
$config=new stdClass();
$config->host='127.0.0.1';
$config->port=6379;
$config->timeout=2;
$config->dbIndex=0;

$redis->connect($config->host, $config->port, $config->timeout);

$redis->setOption(Redis::OPT_SERIALIZER, Redis::SERIALIZER_IGBINARY);
$redis->select($config->dbIndex);

$key = 'UserFacts:1';
$hashKey = 'NumOfSomethingImportant';
$redis->hSet($key, $hashKey,2);

$hGet1 = $redis->hGet($key, $hashKey);
echo "hGet1:";var_dump($hGet1);

$hIncrBy=$redis->hIncrBy($key,$hashKey,1);
echo "hIncrBy:"; var_dump($hIncrBy);

$hGet2 = $redis->hGet($key, $hashKey);
echo "hGet2:";var_dump($hGet2);

echo "<br>expect hGet2=3, got:".$hGet2;