gistfile1.txt

public function getFreightForm() {
        $form = new Form();
        $items = $this->session->offsetGet('list');

        foreach ($items as $i => $consumer) {
            $fieldset = new Fieldset($i);

            foreach ($consumer->getItems() as $token => $item) {
                $fieldset->add(array(
                    'type' => 'text',
                    'name' => $token,
                    'options' => array(
                        'label' => 'Price',
                        'value' => '123'
                    ),
                ));
            }
            
            $fieldset->add(array(
                'type' => 'text',
                'name' => 'freight',
                'options' => array(
                    'label' => 'Freight'
                )
            ));

            $form->add(array(
                'type' => 'Zend\Form\Element\Collection',
                'name' => 'prices',
                'options' => array(
                    'target_element' => $fieldset
                )
            ));

            $form->add(array(
                'type' => 'Zend\Form\Element\Csrf',
                'name' => 'csrf'
            ));
        }

        $inputFilter = new InputFilter();

        $form->setInputFilter($inputFilter);

        return $form;
    }