Menampilkan total & waktu pencarian

<?php
    class Welcomee extends CI_Controller
    {
        function __construct(){
            parent::__construct();
 
            $this->load->model('m_welcome');
            $this->load->helper('html');
        }
 
        function index()
        {
            $data['tampilan']=$this->m_welcome->tampilan();
            $this->load->view('tampilan',$data);
        }
 
        function cari()
        {
            $data['tampilan']=$this->m_welcome->caridata();
 
            if($data['tampilan']==NULL)
            {
                echo "data tidak ada";
                echo anchor('welcomee','kembali');
 
            }  else {
                $this->load->view('tampilan',$data);
            }
        }
    }
?>

<?php
    class M_welcome extends CI_Model
    {
        function tampilan()
        {
           //$this->db->from('pegawai');
           $query=$this->db->get('pegawai');
           return $query->result();
        }
 
        function caridata()
        {
            $c=$this->input->POST('cari');
            $this->db->like('nama',$c);
            $query=$this->db->get('pegawai');
            return $query->result();
        }
 
    }
?>

<center>
<h3>Tabel data mahasiswa<h3>
 
 
<table border=1 >
<tr>
<td>ID</td>
<td>NIM</td>
<td>NAMA</td>
<td>TTL</td>
<td>ALAMAT</td>
<td>HP</td>
</tr>
<?php foreach($tampilan as $row) : ?>
<tr>
<td><?php echo $row->id; ?></td>
<td><?php echo $row->nip; ?></td>
<td><?php echo $row->nama; ?></td>
<td><?php echo $row->ttl; ?></td>
<td><?php echo $row->almt; ?></td>
<td><?php echo $row->hp; ?></td>
</tr>
<?php endforeach; ?>
</table>
<br>
<form action="<?php echo site_url();?>/welcomee/cari" method=POST>
    <input type=text name=cari>
    <input type=submit value="cari">
    </input></form>
<a href="<?php echo site_url();?>/welcomee">Tampilkan Semua</a>