Fixed: Rector issues for php 8 compatibility

classes/Product.php

@@ -5393,7 +5393,7 @@ class ProductCore extends ObjectModel
         return $this->id_tax_rules_group;
     }
 
-    public static function getIdTaxRulesGroupByIdProduct($id_product, Context $context = null)
+    public static function getIdTaxRulesGroupByIdProduct($id_product, ?Context $context = null)
     {
         if (!$context) {
             $context = Context::getContext();

controllers/admin/AdminModulesController.php

@@ -1260,7 +1260,7 @@ class AdminModulesControllerCore extends AdminController
             $filter_categories = [];
             if (Configuration::get('PS_SHOW_CAT_MODULES_'.(int)$this->id_employee)) {
                 $filter_categories = explode('|', Configuration::get('PS_SHOW_CAT_MODULES_'.(int)$this->id_employee));
-
+            }
             if (count($category_filtered) > 0 && !isset($category_filtered[$module->tab])) {
                 return true;
             }

controllers/admin/AdminOrdersController.php

@@ -6223,7 +6223,7 @@ class AdminOrdersControllerCore extends AdminController
             1,
             1,
             0,
-            l,
+            null,
             0,
             $idHotelBooking
         );
@@ -6239,7 +6239,7 @@ class AdminOrdersControllerCore extends AdminController
             1,
             0,
             0,
-            l,
+            null,
             0,
             $idHotelBooking
         );

install/upgrade/php/migrate_tabs_15.php

@@ -166,7 +166,6 @@ function migrate_tabs_15()
     $sql = 'SELECT id_tab FROM '._DB_PREFIX_.'tab
 			WHERE id_tab NOT IN ('.implode(', ', $parent).')
 				AND id_parent = 0';
-    
     $id_tabs = Db::getInstance()->executeS($sql);
     if (is_array($id_tabs) && count($id_tabs)) {
         foreach (Db::getInstance()->executeS($sql) as $row) {