Categories in database:

ID: 4, Name: Mens Clothing, Slug: mens-clothing, Active: 1
ID: 5, Name: Womens Clothing, Slug: womens-clothing, Active: 1
ID: 3, Name: Books, Slug: furniture, Active: 1
ID: 6, Name: Shirts, Slug: shirts, Active: 1
ID: 7, Name: Accessories, Slug: accessories, Active: 1
ID: 8, Name: Electronics, Slug: electronics, Active: 1

Products with categories:

Product: Sample product, Category ID: 3, Category: Books
Product: Gingham Shirt, Category ID: 1, Category:
Product: Gingham Shirt 2025, Category ID: 1, Category:
Product: Yellow T-shirt, Category ID: 2, Category:
Product: Finger Heart T-shirt, Category ID: 2, Category:

Test category filter (category_id = 2):

Found 2 products in category 2