Fatal error: Call to undefined function validation_errors() using codeIgniter here's my comments.php view
        <?php echo validation_errors(); ?>
        <?php echo form_open('news/comments'); ?>
            Name   <input type="text" name="comment_name"></input><br />
            Email  <input type="text" name="comment_email"></input><br />
            Comment<input type="text" name="comment_body"></input><br />
            <input type="submit" name="submit" value="Comment it" ></input>
        </form>
here's my news_model.php
<?php
class News_model extends CI_Model {
public function __construct()
{
    $this->load->database();
}
//set comment
public function set_comment()
{
$this->load->helper('url');
$this->load->helper('date');
$data_c = array(
    'comment_name' => $this->input->post('comment_name'),
    'comment_email' => $this->input->post('comment_email'),
    'comment_body' => $this->input->post('comment_body'),   
);
    return $this->db->insert('comments', $data_c);
}
}
here my controller news.php
<?php
class News extends CI_Controller {
public function __construct()
{
    parent::__construct();
    $this->load->model('news_model');
}
public function create_comment()
{
$this->load->helper('form');
$this->load->library('form_validation');
$this->form_validation->set_rules('comment_name', 'comment_name', 'required');
$this->form_validation->set_rules('comment_email', 'comment_email', 'required');
$this->form_validation->set_rules('comment_body', 'comment_body', 'required');
if ($this->form_validation->run() === FALSE)
{
    echo 'failed'; //just for debugging
}
else
{
    $this->news_model->set_comment();
    $this->load->view('news/success');
}   
}
}
in routes.php
$route['news/comments'] = 'news/comments';
how to resolve ?cannot insert data into database because of fatal error.
I don't see you loading your validation_form library anywhere - are you sure it is loaded?
Either in autoload, or else:
$this->load->library('form_validation');
                        If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
Donate Us With