fetch data from the database using codeigniter - php

Question

i have uploaded a image and related content for it in the database, now im trying to fetch it from their and display it on my webpage, but im getting some errors while fetching it
, so please can any one help me where im going wrong? i don know the concept correctly but just how much i know i have implemented it please help me
this is my Home.php(controller)
<?php
defined('BASEPATH') OR exit('No direct script access allowed');
class Home extends CI_Controller {
public function __construct()
{
parent::__construct();
//load database libray manually
$this->load->database();
//load Model
$this->load->model('Contact_model');
// load form and url helpers
$this->load->helper(array('form', 'url'));
// load form_validation library
$this->load->library('form_validation');
}
public function Latest_news()
{
$this->form_validation->set_rules('first_content', 'First content', 'required');
$this->form_validation->set_rules('second_content', 'Second content', 'required');
if ($this->form_validation->run()==TRUE)
{
$config['upload_path'] = FCPATH.'uploads/';
$config['allowed_types'] = 'gif|jpg|png';
$this->load->library('upload', $config);
if ( $this->upload->do_upload('filename') )
{
//print_r($this->upload->data());die;
$data['first_content'] = $this->input->post('first_content');
$data['second_content'] = $this->input->post('second_content');
$data['filename'] = $this->upload->data('file_name');
//Transfering data to Model
$this->Contact_model->latest_news($data);
//Redirecting to success page
redirect(site_url('Home/Latest_news'));
}
else
{
$error = array('error' => $this->upload->display_errors());
print_r($error);die;
}
}
else
{
$this->load->view('Latest_news');
}
}
public function dispdata_latest_news()
{
$result['data']=$this->Contact_model->displayrecords_latest_news();
$this->load->view('display_records',$result);
}
?>
Contact_model(model)
<?php
class Contact_model extends CI_Model
{
function latest_news($data)
{
//saving records
$this->db->insert('latest_news', $data);
}
//Display
function displayrecords_latest_news()
{
//Displaying Records
$query=$this->db->query("select first_content from latest_news");
return $query->result();
}
}
?>
index.php(view)
<div class="lates">
<div class="container">
<div class="text-center">
<h2>Latest News</h2>
</div>
<div class="col-md-4 wow fadeInDown" data-wow-duration="1000ms" data-wow-delay="300ms">
<img src="<?php echo base_url('images/4.jpg');?>" class="img-responsive" />
<table>
<tr>
<th>Content</th>
</tr>
<?php foreach($query as $r): ?>
<tr><?php echo $r->content; ?>
</tr>
<?php endforeach; ?>
</table>
</div>

Answer 1

Hope this will help you :
Your controller dispdata_latest_news should be like this :
public function dispdata_latest_news()
{
$rows = $this->Contact_model->displayrecords_latest_news();
$result = array('data' => $rows);
/* OR use it like this
$result = ['data' => $rows];
*/
$this->load->view('display_records',$result);
}
Your model displayrecords_latest_news should be like this :
function displayrecords_latest_news()
{
$query = $this->db->get("latest_news");
if ($query->num_rows() > 0)
{
return $query->result();
}
}
Your view should be like this :
<?php
if (! empty($data))
{
foreach($data as $r){ ?>
<tr><?php echo $r->first_content; ?></tr>
<?php }
}
else { ?>
<tr>no record found</tr>
<?php } ?>

Answer 2

I have check your all files and codes and i think you have wrong in your view file.
You have use $r->content. I think where you have get the data in model file the column name is different i.e. first_content.
you have to use like this.
<?php foreach($query as $r): ?>
<tr> <?php echo $r->first_content; ?>
</tr>
<?php endforeach; ?>