How to add data to the database in batches in yii2

Implementation idea:

Inserting data in batches is to first integrate the data into an array, and then insert the array directly into the database, thereby achieving one Insert multiple pieces of data.

There are two situations

The first situation:

Full field insertion, that is, the key in each piece of data in this array is consistent with the field name in the database, and Every field has it.

use yii\helpers\ArrayHelper; 
$rows = []; 
foreach ($models as $model) {
if ($model->validate()) { 
$rows[] = $model->attributes;
} 
} 
$rows = ArrayHelper::getColumn($models, 'attributes'); 
$postModel = new Post; 
Yii::$app->db->createCommand()->batchInsert(Post::tableName(), $postModel->attributes(), $rows)->execute();

The second case:

Non-full fields

$rows[] = [ 
'title' => $model->title, 
'content' => $model->content, 
]; 
Yii::$app->db->createCommand()->batchInsert(Post::tableName(), ['title', 'content'], $rows)->execute();

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