Welcome.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Welcome extends CI_Controller {

    function __construct() {
        parent::__construct();
        $this->load->model('blogpost_model');
        $this->load->model('categories_model');
    }

	public function index()
	{
	        $data = array(
        	    'posts' => $this->blogpost_model->getHome(),
	            'categories' => $this->categories_model->getAll()
        	);

		$this->load->view('blog', $data);
	}
}