common/modules/blog/models/ArticleToCategory.php

<?php
namespace common\modules\blog\models;
use Yii;
/**
 * This is the model class for table "article_to_category".
 *
 * @property integer $article_id
 * @property integer $article_category_id
 *
 * @property Article $article
 * @property ArticleCategory $category
 */
class ArticleToCategory extends \yii\db\ActiveRecord
{
    /**
     * @inheritdoc
     */
    public static function tableName()
    {
        return 'article_to_category';
    }
    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            [['article_id', 'article_category_id'], 'integer']
        ];
    }
    /**
     * @inheritdoc
     */
    public function attributeLabels()
    {
        return [
            'article_id' => Yii::t('app', 'Article ID'),
            'article_category_id' => Yii::t('app', 'Category ID'),
        ];
    }
    /**
     * @return \yii\db\ActiveQuery
     */
    public function getArticle()
    {
        return $this->hasOne(Article::className(), ['article_id' => 'article_id']);
    }
    /**
     * @return \yii\db\ActiveQuery
     */
    public function getCategory()
    {
        return $this->hasOne(ArticleCategory::className(), ['article_category_id' => 'article_category_id']);
    }
}