<?php namespace yiiunit\data\ar\mongodb; class CustomerOrder extends ActiveRecord { public static function collectionName() { return 'customer_order'; } public function attributes() { return [ '_id', 'number', 'customer_id', 'item_ids', ]; } public function getCustomer() { return $this->hasOne(Customer::className(), ['_id' => 'customer_id']); } public function getItems() { return $this->hasMany(Item::className(), ['_id' => 'item_ids']); } }