--- phenix/classes/Category.php	2025-06-25 14:54:20.030433767 +0200
+++ phenix/classes/Category.php	2025-06-25 14:53:14.448460123 +0200
 
     public static function getSimpleCategories($id_lang)
     {
@@ -876,6 +877,10 @@
     public function getProducts($id_lang, $p, $n, $order_by = null, $order_way = null, $get_total = false, $active = true, 
                     $random = false, $random_number_products = 1, $check_access = true, Context $context = null)
     {
+
+$which_categories=(null !==Configuration::get('PS_SUB_CAT_DISPLAY') and Configuration::get('PS_SUB_CAT_DISPLAY')==1)?' in (select id_category from ed_category where id_parent='.(int)$this->id.' or id_category='.(int)$this->id.')':'  = '.(int)$this->id;
+      
         if(!$context) {
             $context = Context::getContext();
         }
@@ -909,8 +915,8 @@
                 '.Product::sqlStock('p', 0).'
                 INNER JOIN `'._DB_PREFIX_.'category_product` cp
                     ON(p.`id_product` = cp.`id_product`)
-                WHERE cp.`id_category` = '.(int)$this->id.
-                (Group::isGroupProductRestriction() ? '
+                WHERE cp.`id_category` '.$which_categories
+                .(Group::isGroupProductRestriction() ? '
                     AND EXISTS (
                         SELECT 1
                         FROM `'._DB_PREFIX_.'product_group` pg
@@ -998,7 +1004,7 @@
                 LEFT JOIN `'._DB_PREFIX_.'manufacturer` m
                     ON(m.`id_manufacturer` = p.`id_manufacturer`)
                 WHERE product_shop.`id_shop` = '.(int)$context->shop->id.'
-                AND cp.`id_category` = '.(int)$this->id
+                AND cp.`id_category` '.$which_categories
                 .(Group::isGroupProductRestriction() ? '
                     AND EXISTS (
                         SELECT 1


--- phenix/controllers/admin/AdminPPreferencesController.php	2025-06-25 14:56:52.735003735 +0200
+++ phenix/controllers/admin/AdminPPreferencesController.php	2025-06-25 14:44:27.936547040 +0200
@@ -77,6 +77,14 @@
                         'required' => false,
                         'type' => 'bool'
                     ),
+                     'PS_SUB_CAT_DISPLAY' => array(
+                        'title' => $this->l('sub cat mod'),
+                        'desc' => $this->l('When active, producs from sub categories are displayed'),
+                        'validation' => 'isBool',
+                        'cast' => 'intval',
+                        'required' => false,
+                        'type' => 'bool'
+                    ),
                     'PS_TAX_RULES_GROUP' => array(
                         'title' => $this->l('Default tax rule group'),
                         'desc' => $this->l('Choosing the default tax rule when creating a new product'),
@@ -581,6 +589,9 @@
             Product::updateAllLinkRewrite();
             unset($_POST['PS_UPDATE_FRIENDLY_PRODUCT']);
         }
+        if((int)Tools::getValue('PS_SUB_CAT_DISPLAY')) {
+			Configuration::updateValue('PS_SUB_CAT_DISPLAY', (int)Tools::getValue('PS_SUB_CAT_DISPLAY'));
+        }
 
         if(Tools::getIsset('PS_CATALOG_MODE')) {
             Tools::clearSmartyCache();