| public getQueryCacheInfo ( integer $duration, yii\caching\Dependency $dependency ) : array | ||
| $duration | integer | the preferred caching duration. If null, it will be ignored. |
| $dependency | yii\caching\Dependency | the preferred caching dependency. If null, it will be ignored. |
| return | array | the current query cache information, or null if query cache is not enabled. |
public function getQueryCacheInfo($duration, $dependency)
{
if (!$this->enableQueryCache) {
return null;
}
$info = end($this->_queryCacheInfo);
if (is_array($info)) {
if ($duration === null) {
$duration = $info[0];
}
if ($dependency === null) {
$dependency = $info[1];
}
}
if ($duration === 0 || $duration > 0) {
if (is_string($this->queryCache) && Yii::$app) {
$cache = Yii::$app->get($this->queryCache, false);
} else {
$cache = $this->queryCache;
}
if ($cache instanceof Cache) {
return [$cache, $duration, $dependency];
}
}
return null;
}