FAILURE TO GET 3 VALUES SENT THROUGH JSON

VIEW
$.getJSON('/index.php/admin/move_page/'+node.id.replace(/.*_/,'')+'&parent_id='+(p==-1?0:p[0].id.replace(/.*_/,''))+'&order='+new_order);
CONTROLLER
<?php
public function move_page($id ='',$to ='',$order=''){

     $data = array(
        'i_d' => $id,
        't_o' => $to,
        'oda' => $order

        );
     return $this->db->insert('sent_values', $data);
?>