document.write('
Data hosted with ♥ by Pastebin.com - Download Raw - See Original
  1. $categories = [1,2,3]; //category ids array
  2. $collection = $this->productCollectionFactory->create();
  3. $collection->addAttributeToSelect('*');
  4. $collection->addCategoriesFilter(['in' => $categories]);
  5. return $collection;
  6.  
');