Yii2 ActiveRecord cache

Question

How to use ActiveRecotd cache for Yii 2? I did\'t find any examples in official docs. In Google I found 2 examples, first is:

$db = self::getDb();
$object =          


        

Answer 1

1) Use cache like that:

$db = Yii::$app->db;// or Category::getDb()
$result = $db->cache(function ($db) use ($id) {
    return Category::find()->where(['id' => $id])->all();
}, CACHE_TIMEOUT);

2) If you may use query dependency, use like that:

$db = Yii::$app->db;// or Category::getDb()
$dep = new DbDependency();
$dep->sql = 'SELECT count(*) FROM category';
$result = $db->cache(function ($db) use ($id) {
    return Category::find()->where(['id' => $id])->all();
}, CACHE_TIMEOUT, $dep);