Mapping Data

public function mapping()
    {
        header("Content-type:application/json");
        $post = $this->input->post('id', 'true');
        $dataJenis = array();
        for ($i = 0; $i < count($post); $i++) {
            $jenis_id = !isset($this->input->post('chkJenis')[$post[$i]]) ? '' : $post[$i];
            print_r($jenis_id);
        }

        // Mesti gimana ? :D
    }