/** * @return \yii\db\ActiveQuery */ public function getCoupon() { return $this->hasOne(Coupon::className(), ['id' => 'coupon_id']); }
/** * @return \yii\db\ActiveQuery */ public function getCoupons() { return $this->hasMany(Coupon::className(), ['id' => 'coupon_id'])->viaTable('Participant_has_coupon', ['Participant_id' => 'id']); }