controller :
<?php

class Full extends CI_Controller{

	function __construct(){
		parent:: __construct();
		// $this->load->database('full',TRUE);
		//$this->load->model('full/m_full');
	}

	function index(){

		if(isset($_POST['username']) and $_POST['password'])
		{
			$username = $_POST['username'];
			$password = $_POST['password'];



			if($username == '1' && $password == '1')

        	{
        		$abc = array("output" => 1, "result" => "success");
        		print_r($abc);
            	//printf($abc);

        	}

       	 	else

        	{
        		$abc = array("output" => 0, "result" => "failure");
        		print_r($abc);

        	}


		}
		else
		{
			$this->load->view('index.php');
		}


		function login(){

		}
	}

}

?>



view