PHP use Redis

installation

Before you start using Redis in PHP, we need to ensure that services and PHP installed redis redis drive, and your machine can use normal PHP. Let's install PHP redis driver: Download address: https://github.com/phpredis/phpredis/releases .

PHP extension to install redis

The following actions need to download the complete catalog phpredis:

$ wget https://github.com/phpredis/phpredis/archive/2.2.4.tar.gz
$ cd phpredis-2.2.7                      # 进入 phpredis 目录
$ /usr/local/php/bin/phpize              # php安装后的路径
$ ./configure --with-php-config=/usr/local/php/bin/php-config
$ make && make install

If you are PHP7 version, you need to download the specified branch:

git clone -b php7 https://github.com/phpredis/phpredis.git

Modify the php.ini file

vi /usr/local/php/lib/php.ini

Add the following:

extension_dir = "/usr/local/php/lib/php/extensions/no-debug-zts-20090626"

extension=redis.so

After installation, restart php-fpm or apache. View the phpinfo information, you can see redis extension.

Connection to redis service

<?php
    //连接本地的 Redis 服务
   $redis = new Redis();
   $redis->connect('127.0.0.1', 6379);
   echo "Connection to server sucessfully";
         //查看服务是否运行
   echo "Server is running: " . $redis->ping();
?>

Execute the script, the output is:

Connection to server sucessfully
Server is running: PONG

Redis PHP String (String) instance

<?php
   //连接本地的 Redis 服务
   $redis = new Redis();
   $redis->connect('127.0.0.1', 6379);
   echo "Connection to server sucessfully";
   //设置 redis 字符串数据
   $redis->set("tutorial-name", "Redis tutorial");
   // 获取存储的数据并输出
   echo "Stored string in redis:: " . $redis->get("tutorial-name");
?>

Execute the script, the output is:

Connection to server sucessfully
Stored string in redis:: Redis tutorial

Redis PHP List (list) Example

<?php
   //连接本地的 Redis 服务
   $redis = new Redis();
   $redis->connect('127.0.0.1', 6379);
   echo "Connection to server sucessfully";
   //存储数据到列表中
   $redis->lpush("tutorial-list", "Redis");
   $redis->lpush("tutorial-list", "Mongodb");
   $redis->lpush("tutorial-list", "Mysql");
   // 获取存储的数据并输出
   $arList = $redis->lrange("tutorial-list", 0 ,5);
   echo "Stored string in redis";
   print_r($arList);
?>

Execute the script, the output is:

Connection to server sucessfully
Stored string in redis
Redis
Mongodb
Mysql

Redis PHP Keys examples

<?php
   //连接本地的 Redis 服务
   $redis = new Redis();
   $redis->connect('127.0.0.1', 6379);
   echo "Connection to server sucessfully";
   // 获取数据并输出
   $arList = $redis->keys("*");
   echo "Stored keys in redis:: ";
   print_r($arList);
?>

Execute the script, the output is:

Connection to server sucessfully
Stored string in redis::
tutorial-name
tutorial-list