Redis PHP connection operation, redisphp connection

<span class="pln">
cd phpredis
sudo phpize
sudo ./configure
sudo make
sudo make install

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<span class="pln">
extension = redis.so

</span>

<span class="pln">
<?php
   //Connecting to Redis server on localhost
   $redis = new Redis();
   $redis->connect('127.0.0.1', 6379);
   echo "Connection to server sucessfully";
   //check whether server is running or not
   echo "Server is running: " . $redis->ping();
?>

</span>

<span class="pln">
Connection to server sucessfully
Server is running: PONG

</span>

<span class="pln">
<?php
   //Connecting to Redis server on localhost
   $redis = new Redis();
   $redis->connect('127.0.0.1', 6379);
   echo "Connection to server sucessfully";
   //set the data in redis string
   $redis->set("tutorial-name", "Redis tutorial");
   // Get the stored data and print it
   echo "Stored string in redis:: " . $redis.get("tutorial-name");
?>

</span>

<span class="pln">
Connection to server sucessfully
Stored string in redis:: Redis tutorial

</span>

<span class="pln">
<?php
   //Connecting to Redis server on localhost
   $redis = new Redis();
   $redis->connect('127.0.0.1', 6379);
   echo "Connection to server sucessfully";
   //store data in redis list
   $redis->lpush("tutorial-list", "Redis");
   $redis->lpush("tutorial-list", "Mongodb");
   $redis->lpush("tutorial-list", "Mysql");
   // Get the stored data and print it
   $arList = $redis->lrange("tutorial-list", 0 ,5);
   echo "Stored string in redis:: "
   print_r($arList);
?>

</span>

<span class="pln">
Connection to server sucessfully
Stored string in redis::
Redis
Mongodb
Mysql

</span>

<span class="pln">
<?php
   //Connecting to Redis server on localhost
   $redis = new Redis();
   $redis->connect('127.0.0.1', 6379);
   echo "Connection to server sucessfully";
   // Get the stored keys and print it
   $arList = $redis->keys("*");
   echo "Stored keys in redis:: "
   print_r($arList);
?>

</span>

<span class="pln">
Connection to server sucessfully
Stored string in redis::
tutorial-name
tutorial-list</span>