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Message: Undefined property: Welcome::$load
Filename: controllers/welcome.php

class Welcome extends CI_Controller {
    public function __construct()
    {
        $this->load->helper('url');
    }

    public function index()
    {
        $this->load->view('home');
    }
}

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta http-equiv="X-UA-Compatible" content="IE=Edge"/>
    <meta charset="utf-8">
    <meta name="viewport" content="width = device-width">
    <meta name="description" content="">
    <!-- Le styles -->
    <title>test site</title>
    <script>
      var BASEPATH = "<?php echo base_url(); ?>";
    </script>
    <link href="<?php echo base_url('assets/css/bootstrap.min.css')?>" rel="stylesheet">
    <link href="<?php echo base_url('assets/css/navbar.css')?>" rel="stylesheet">
  </head>

class Welcome extends CI_Controller {
    public function __construct()
    {
        parent::__construct();
        $this->load->helper('url'); //Loading url helper
    }

    public function index()
    {
        $this->load->view('home'); //Loading home view
    }
}