<div class="col-lg-6">
<?php
        // $getNameValue is the session value passed
         $getNameValue = $this->session->userdata('nameValue');
         echo '<h3>' . $getNameValue['name'] . '</h3>';

         $getValue = $this->session->userdata('sessiondata');
         if ($getValue != NULL) {

                echo '<table  class="table table-bordered table-striped">';
                echo '<tr>';
                echo '<td><strong>Product Name</strong></td>';
                echo '<td><strong>Unit</strong></td>';
                echo '<td><strong>Cost</strong></td>';
                echo "<form method='post' action=''>";
                foreach ($getValue as $row) {
                    echo '<tr>';
                    echo '<td><input type="hidden" name="allProduct[product_name][]" value="' . $row['product_name'] . '">' . $row['product_name'] . '</td>';
                    echo '<td><input type="hidden" name="allProduct[unit][]" value="' . $row['unit'] . '">' . $row['unit'] . '</td>';
                    echo '<td><input type="hidden" name="allProduct[cost][]" value="' . $row['cost'] . '">' . $row['cost'] . '</td>';
                    echo '</tr>';
                }
                echo '<tr><td></td><td><td><button type="submit" class="btn btn-success">POST</button></td></td></tr>';
                echo "</form>";
                echo '</table>';
            }

     ?>

</div>

public function newSystemBatch($getBatch)
{
    if ($data = $this->input->post('systemProduct')) {

        $data['batch_id'] = $getBatch;

        $productName = $data['product_name'];
        $unit = $data['unit'];
        $cost = $data['cost'];

        $getValue = $this->session->userdata('sessiondata');
        $getValue[] = array(
            'product_name'  => $productName,
            'unit'     => $unit,
            'cost' => $cost

        );
        $this->session->set_userdata('sessiondata', $getValue);
        redirect('inventory/newSystemMessage/' . $getBatch['batch_id']);

    }

    if ($data = $this->input->post('allProduct')) {
        $this->header();
        $this->footer();
        $this->transaction->addNew($data);
        $this->load->view("admin/newSystemTable", $data);
    }

    else {
        $this->header();
        $data['action'] = 'System';
        $data['users_id'] = $this->user->users_id;
        $this->load->view("admin/newSystemTable", $data);
        $this->footer();
    }
}

function addNew($data)
{
   $this->db->insert_batch('try',$data);
}