.-.-.-.-.-

<?php

if (!defined('BASEPATH'))
    exit('No direct script access allowed');

class Password extends CI_Controller {

public $menu;

function __construct() {
        parent::__construct();
        isLoggedIn();
        $this->load->model('password/Password_model');
    }

public function index() {
     
   
        $page_data['page_title'] = 'Change Password';
        $page_data['page_name'] = 'admin/password/password';

$this->load->view('admin/template', $page_data);
   
	}

public function update() {

$error_type = '';
        $msg = '';
        $result = false;

$this->form_validation->set_rules('old_password', 'Old Password', 'trim|required');
        $this->form_validation->set_rules('new_password', 'New Password', 'trim|required');
        $this->form_validation->set_rules('re_password', 'Re Password', 'trim|required');

if ($this->form_validation->run() == FALSE) {
            $error_type = 'v';
            $msg = validation_errors('<p class="error">', '</p>'); //validation_errors();
            $result = false;
        } else {
            $userId = $this->session->userdata('user_id');

$query = $this->db->where('id', $userId)->get('users');
            if ($query->num_rows() > 0) {

$row = $query->row_array();
                $email = $row['email'];
                $password = $row['password'];

$old_email = $this->input->post('old_email');
                $old_password = md5($this->input->post('old_password'));

if ($password == $old_password) {

$data = array(
                        'password' =>  md5($this->input->post('new_password')),
                    );

$result = $this->Password_model->update($data, $userId);

$error_type = 'm';
                    $msg = 'Password updated successfully.';
                    $result = true;
				
		      	($result) ? logActivity('Password updated [#' . $userId .']',LOG_ADMIN) : '';
                }else{
                    $error_type = 'm';
                    $msg = 'Old password is wrong';

$result = false;

}
            }
        }
        echo json_encode(array('rs' => $result, 'errType' => $error_type, 'msg' => $msg));
    }

}

/var/www/yapwebtv.com/../../www/krcollege.co/application/controllers/Password.php