Mage2\Catalog\Models\Product::getPrice PHP Method

    public function getPrice()
    {
        $key = 'price';
        $productAttribute = ProductAttribute::where('identifier', '=', $key)->get()->first();
        $value = $this->_getProductFloatValue($productAttribute);
        if (null === $value) {
            return;
        }
        /*
         * @todo fix bug because during display its fine but
         * when it times to do process data into mysql
         *  it will generate error because of 1,099.99 not decimal(because of comma , )
         */
        return $value;
        //return number_format($value,2);
    }