/** * @return \yii\db\ActiveQuery */ public function getGroups() { return $this->hasMany(FileGroup::className(), ['id' => 'group_id'])->viaTable('file_filegroup', ['file_id' => 'id']); }
/** * @return \yii\db\ActiveQuery */ public function getGroup() { return $this->hasOne(FileGroup::className(), ['id' => 'group_id']); }