/**
* preloads chunks with option preload = 1
* and push it to static array
* @return array|void
*/
public static function preloadChunks()
{
if (is_null(static::$chunksByKey)) {
$dependency = new TagDependency(['tags' => [ActiveRecordHelper::getCommonTag(ContentBlock::className())]]);
static::$chunksByKey = ContentBlock::getDb()->cache(function ($db) {
$chunks = ContentBlock::find()->where(['preload' => 1])->asArray()->all();
return ArrayHelper::map($chunks, 'key', 'value');
}, 86400, $dependency);
}
return static::$chunksByKey;
}
