ActiveRecod batch insert realization in Yii2

yii2_batch_insert.php

namespace common\components;

class Model extends yii\base\Model {

    /**
     * Saves multiple models.
     *
     * @param ActiveRecord[] $models
     * @return bool
     */
    public static saveMultiple($models){

        if(count($models) > 0){

            $firstModel      = reset($models);
            $columnsToInsert = $firstModel->attributes();   // here you can remove excess columns. for example PK column.
            $modelsToInsert  = [];
            $rowsToInsert    = [];

            foreach($models as $model){
                if ($this->beforeSave(true)) {
                    $modelsToInsert[] = $model;
                }
            }

            foreach($modelsToInsert as $model){
                $rowsToInsert[] = array_values($model->attributes);     // here you can remove excess values
            }

            $numberAffectedRows = \Yii::$app->db->createCommand()
                ->batchInsert($firstModel->tableName(), $columnsToInsert, $rowsToInsert)
                ->execute();

            $isSuccess = ($numberAffectedRows === count($models));

            if($isSuccess){
                $changedAttributes = array_fill_keys($columnsToInsert, null); 

                foreach($modelsToInsert as $model){
                    $model->afterSave(true, $changedAttributes);
                }
            }

            return $isSuccess;

        } else {

            return true;
        }

    }

}