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How to display product count on subcategory (product list)


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Hello, i require some help of the community. Prestashop 1.6

We have dome a modification in Classes/Category.php for show a counter of products by subcategories. to show them so in category.tpl:


Category: A There are 100 products

Subcategory a -

Subcategory b- 30 products

Subcategory b- 20 products

This is the code into Classes/Category.php

In foreach ($result as &$row) {
            $row['id_image'] = Tools::file_exists_cache(_PS_CAT_IMG_DIR_.$row['id_category'].'.jpg') ? (int)$row['id_category'] : Language::getIsoById($id_lang).'-default';
            $row['legend'] = 'no picture';
            $categ = new Category((int)$row['id_category'], (int)$id_lang);
            $row['nbproducts'] =$categ->getProducts(1, 1, 10000,  NULL,  NULL, true);


 And the code into category.tpl

 {if $subcategory.nbproducts >0 }
                    <span>({$subcategory.nbproducts}) {l s='Prods.'}</span>
                    {else} -   


The Subcategory a have 2 subcategories with 25 and 25 products but because the parent category have no products associated is empty.

We need the code count the products in this subcategory or summatory of the categories under.

Can someone help tp fix it)?

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