I dont understand why but this one always selected last option ( not the one i choose before). Why might this be. Change select dropdown name with name="foods[]" . Not the answer you're looking for? Ive done what I think youre looking to do before. I have been working in the Web Technology field for 3 years. Is this variant of Exact Path Length Problem easy or NP Complete. 3. 4. I chose to use tag instead of form_dropdown() from Form Helper because i can't set a class atribute to