Login Code With Codeigniter

Configure autoload.php

Open autoload.php from …xampp/htdocs/mysite/application/config/  and edit the following code as shown as below:

$autoload['libraries'] = array('database');

$autoload['helper'] = array('url');

Configure config.php

Open config.php from …xampp/htdocs/mysite/application/config/  and edit the following code as shown as below:

$config['base_url']      = 'http://localhost/mysite/index.php/';

$config['index_page'] = '';

Configure database.php

Open database.php from …xampp/htdocs/mysite/application/config/  and edit the following code as shown as below:

$db['default']['hostname'] = 'localhost';

$db['default']['username'] = 'root';

$db['default']['password'] = '';

$db['default']['database'] = 'mysite';

$db['default']['dbdriver'] = 'mysql';

$db['default']['dbprefix'] = '';

$db['default']['pconnect'] = TRUE;

$db['default']['db_debug'] = TRUE;

$db['default']['cache_on'] = FALSE;

$db['default']['cachedir'] = '';

$db['default']['char_set'] = 'utf8';

$db['default']['dbcollat'] = 'utf8_general_ci';

$db['default']['swap_pre'] = '';

$db['default']['autoinit'] = TRUE;

$db['default']['stricton'] = FALSE;

Code for controller: file name: login.php directory: …xampp/htdocs/mysite/application/controllers/

class Login extends CI_Controller

            {

            function __construct() {  parent::__construct();  }

            

            public function index()

                        {

                        if (isset($_GET["login_attempt"])) {

                                    $error = "Wrong User Name Or Password !!! ";

                                    $this  -> load -> view ('login_view', array('error' => $error)); }

                       

                        else {

                                     $error = "";

                                     $this  -> load -> view ('login_view', array('error' => '' )); }

                                                                                               

                        if(isset($_POST['login'])&&$_POST['login']=='Login') {

                                    $email = $_POST['email'];

                                    $password = $_POST['password'];

                                    $this -> load -> model('Model_login');

                                    $user = $this -> Model_login -> login($email,$password);

                                    }               

                        } // End Of function index

   } // End Of class Login 

Code for model: file name: model_login.php directory: …xampp/htdocs/mysite/application/models/

class Model_login extends CI_Model

            {

            function Model_login() {

                        parent::__construct(); }

           

            function login($email,$password)

                        {

                        $this -> db -> select('profile_id, email, password');

                        $this -> db -> from('profile');

                        $this -> db -> where('email = '. "'" . $email. "'");

                        $this -> db -> where('password ='. "'" . $password. "'");

                        $this -> db -> limit(1);

                       

                        $query = $this -> db -> get();

                          $row = $query -> row_array();

                       

                                    if($query -> num_rows() ==1)

                                                {

                                                redirect ('welcome');

                                                }

                                    else

                                                {

                                                header('Location: '.config_item('base_url').'login'.'?login_attempt='.urlencode("1"));

                                                }

                                    }

}

?>

Code for view: file name: login_view.php directory: …xampp/htdocs/mysite/application/views/

Email Id:

Password:

Now Open your favorite browser and type http://localhost/mysite/index.php/login and that’s our login code.