Delete Article in Codeigniter

Step 1:- Created dashboard in view
<div class=”col-lg-2″>
<?=
form_open(‘admin/delete_article’),
form_hidden(‘article_id’,$article->id),
form_submit([‘name’=>’submit’,’value’=>’Delete’,’class’=>’btn btn-danger’]),
form_close();
?>
</div>
Step 2 :Created articlesmodel delete_article function in model
public function delete_article($article_id)
{
return $this->db->delete(‘articles’,[‘id’=>$article_id]);
}
Step 3 :created admin delete_article functionin Controller

public function delete_article()
{
$article_id=$this->input->post(‘article_id’);
$this->load->model(‘articlesmodel’,’articles’);
if($this->articles->delete_article($article_id))
{
//flash message insert successfull
$this->session->set_flashdata(‘feedback’,”Article Deleted successfull.”);
$this->session->set_flashdata(‘feedback_class’,’alert-success’);
}
else
{
//insert failed.
$this->session->set_flashdata(‘feedback’,”Article failed To Delete, Please Try Again.”);
$this->session->set_flashdata(‘feedback_class’,’alert-danger’);
}
return redirect(‘admin/dashboard’);
}