FRONTEND_MVC/migrations/m221225_045621_slider.php

<?php

use yii\db\Migration;

/**
 * Class m221225_045621_slider
 */
class m221225_045621_slider extends Migration
{
    /**
     * {@inheritdoc}
     */
    public function safeUp()
    {
        $this->createTable('{{%top_slider}}',[
            'id'=>$this->primaryKey(),
            'post_id'=>$this->integer(),
            'published_from'=>$this->dateTime(),
            'published_to'=>$this->dateTime(),
            'is_active'=>$this->smallInteger()->defaultValue(1)
        ]);
    }

    /**
     * {@inheritdoc}
     */
    public function safeDown()
    {
        echo "m221225_045621_slider cannot be reverted.\n";

        return false;
    }

    /*
    // Use up()/down() to run migration code without a transaction.
    public function up()
    {

    }

    public function down()
    {
        echo "m221225_045621_slider cannot be reverted.\n";

        return false;
    }
    */
}