Use Redis extension in Yii2

Use Redis extension in Yii2

Redis is a good Nosql database. Its advantage over Memcached is that it can persist data. To use Redis in Yii2, you must first expand Redis. You can add redis in composer. json.

"require": {        "php": ">=5.4.0",        "yiisoft/yii2": ">=2.0.5",        "yiisoft/yii2-bootstrap": "*",        "yiisoft/yii2-swiftmailer": "*",        "yiisoft/yii2-smarty": "*",        "yiisoft/yii2-redis": "*"    },

Then use the command composer update, or directly use the command composer update -- prefer-dist yii-soft/yii2-redis.

The next step is to configure the component.

// Redis 'redis '=> ['class' => 'yii \ redis \ connection', 'hostname' => '2017. 0.0.1 ', 'Port' => 6379, 'database' => 0, // by default, there are 16 databases 0-15. For a cluster, there is only one 0.],

Finally, you can use it.

$redis = Yii::$app->redis;$redis->set('city', 'Beijing');$value = $redis->get('city');echo 'The value of city in redis is: ', $value;

 

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