fungsi cari

/*---------controller----*/
public function cari_renungan()
	{
	  $q=$this->input->post('q');
	  $data['cari'] = $this->renungan_model->cari($q);
          $this->load->view('cari_renungan',$data);
	}


/*---------model----*/
function cari()
	{
		$q = $this->input->POST ('q');
		return $this->db->query("SELECT * FROM
		artikel a, rtulis b, rkater c
		where a.rt_id=b.rt_id and
		a.rk_id=c.rk_id and a.ar_section='RENUNGAN'
		and (a.ar_title
		like '%$q%' or b.rt_name like '%$q%' )
		group by a.ar_id");
	}


/*---------view------*/

<?php foreach  ($cari->result() as $row)
{   ?>
<h2><?php echo $row->ar_title  ?></h2>

<?php  }  ?>