controllerlogin

function cek_login() {
        		$username = $this->input->post('username');
        		$password = $this->input->post('password');
        		//input data melalui form post username dan password login di cek apakah ada pada database pada modul model function login
        		$result = $this->login_model->login($username, $password);
        		if($result) {
            		$sess_array = array();
            		foreach($result as $row) {

               			 //membuat session
                			$sess_array = array(
                   				'ID' => $row->id,
								'NOMOR' => $row->nomor,
                   				'USER' => $row->username,
                    			'PASS'=>$row->password,
                    			'LEVEL' => $row->level,
								'FOTO' => $row->foto,
								'LAST' => $row->last_login,
                    			'login_status'=>true,
                			);
							$data = array(
                   				 'last_login' => date('Y-m-d H:i:s')

                			);
							$id['id'] = $row->id;
							$this->login_model->updateData('users',$data,$id);
                			//mengecek sesi sesuai isi database
                			$this->session->set_userdata($sess_array);

							if ($row->level == "admin" || $row->level == "mentor"){
								redirect('admin/dashboard','refresh');

							}
							else{
								redirect('user/dashboard','refresh');

							}



            		}
           		 return TRUE;
        		} else {
           		 redirect('access/','refresh');
            		return FALSE;
        		}
    	}