<?php
    
    use yii\db\Migration;
    
    class m170928_095137_add_column_to_image_table extends Migration
    {
        public function safeUp()
        {
            $this->addColumn('ImageManager', 'gallery', $this->boolean());
        }
        
        public function safeDown()
        {
            $this->dropColumn('ImageManager', 'gallery');
        }
    }