Codegnitor installation process

Change the config file base url as-
 $config['base_url'] = 'http://localhost/';
 after that change the database pathin database.php file in config folder as -- 
 
 'hostname' => 'localhost',
	'username' => 'root',
	'password' => 'root',
	'database' => 'login',
	'dbdriver' => 'mysqli',
  
  after that in route.php file in config folder through call the bydefault controller which is in controller folder as
  welcome.php file
  in above welcome.php file you just change the controller which you want to run on locahost as
  
  public function index()
	{
		 // $this->load->view('registration');
		  $this->load->view('registration');
	}
	
Reference links : ------

 https://code.tutsplus.com/tutorials/everything-you-need-to-get-started-with-codeigniter--net-2634
	https://code.tutsplus.com/tutorials/everything-you-need-to-get-started-with-codeigniter--net-2634
	
for call the Modal in codegnitor you need to call this modal in file autoload.php as
eg :- 
  $autoload['model'] = array('Login'); // in that login is a modal which has the php code of login view
  
  for create session we need to add seesion id into the library in autoload.php file as
  eg :- 
    $autoload['libraries'] = array('database','session');
    $autoload['helper'] = array('url');