/**
* @return \yii\db\ActiveQuery
*/
public function getSuppliers()
{
return $this->hasMany(Supplier::className(), ['id' => 'supplier_id'])->viaTable('{{%product_supplier}}', ['product_id' => 'id']);
}
/**
* @return \yii\db\ActiveQuery
*/
public function getSupplier()
{
return $this->hasOne(Supplier::className(), ['id' => 'supplier_id']);
}