new article is not getting submitted in codeigniter - php

Question

<?php
class Admin extends MY_Controller
{
public function dashboard()
{
/*
if(! $this->session->userdata('user_id')) // This condition is check condition which will show dashboard only if person is logged in else will redirect to login page.
return redirect('login');
*/
$this->load->model('articlesmodel','articles'); // This "articles" is the secondary name which we have given here and will be refering to.
$articles = $this->articles->articles_list(); // If we have given the secondary name then we need to use that seconary name here too.
// In above line, we will get the titles/title which will get stored in $articles.
$this->load->view('admin/dashboard.php',['articles'=>$articles]); // we are passing the received articles in here.
// The above 'articles' will be received by "dashboard.php" in the form of "$articles".
}
public function add_article()
{
$this->load->helper('form');
$this->load->view('admin/add_article.php');
}
public function store_article()
{
// Previously we use to form validate from the same file. But, now we have set the rules and all in config's form_validation file.
// We just need to pass the rule in the run like below.
$this->load->library('form_validation');
if($this->form_validation->run('add_articles_rules'))
{
// If we pass the parameter inside post then we will get that value only else it will give all the inputs in the array.
$post = $this->input->post();
unset($post['submit']); // this is to remove submit value received in $post array else it will give error.
$this->load->model('articlesmodel','articles');
if($this->articles->add_article($post))
{
echo "Insert sucessful";
}
else
{
echo "Insert uncessful";
}
}
else
{
return redirect('admin/add_article');
}
}
public function edit_article()
{
}
public function delete_article()
{
}
public function __construct()
{
parent::__construct();
if(! $this->session->userdata('user_id'))
return redirect('login');
}
// Above constructor can be placed in MY_Controller but then we need to undo the "login extends My_Controller" or make it as
// "login extends CI_Controller" as in this "admin" file we can have more methods.
}
?>