├── README.md
├── application
    ├── config
    │   └── routes.php
    ├── controllers
    │   └── News.php
    ├── models
    │   └── News_model.php
    └── views
    │   ├── news
    │       ├── create.php
    │       ├── edit.php
    │       ├── index.php
    │       ├── success.php
    │       └── view.php
    │   └── templates
    │       ├── footer.php
    │       └── header.php
└── database.sql


/README.md:
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1 | CodeIgniter: Simple Add, Edit, Delete, View – MVC CRUD Application
2 | ========
3 | 
4 | A simple and basic CRUD application using CodeIgniter PHP Framework.
5 | 
6 | Blog Article: [CodeIgniter: Simple Add, Edit, Delete, View – MVC CRUD Application](http://blog.chapagain.com.np/codeigniter-simple-mvc-crud-add-edit-delete-view/)
7 | 


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/application/config/routes.php:
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 1 | <?php
 2 | 
 3 | $route['news'] = 'news';
 4 | $route['news/create'] = 'news/create';
 5 |  
 6 | $route['news/edit/(:any)'] = 'news/edit/$1';
 7 |  
 8 | $route['news/view/(:any)'] = 'news/view/$1';
 9 | $route['news/(:any)'] = 'news/view/$1';
10 | 
11 | ?>
12 | 


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/application/controllers/News.php:
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  1 | <?php
  2 | class News extends CI_Controller {
  3 |  
  4 |     public function __construct()
  5 |     {
  6 |         parent::__construct();
  7 |         $this->load->model('news_model');
  8 |         $this->load->helper('url_helper');
  9 |     }
 10 |  
 11 |     public function index()
 12 |     {
 13 |         $data['news'] = $this->news_model->get_news();
 14 |         $data['title'] = 'News archive';
 15 |  
 16 |         $this->load->view('templates/header', $data);
 17 |         $this->load->view('news/index', $data);
 18 |         $this->load->view('templates/footer');
 19 |     }
 20 |  
 21 |     public function view($slug = NULL)
 22 |     {
 23 |         $data['news_item'] = $this->news_model->get_news($slug);
 24 |         
 25 |         if (empty($data['news_item']))
 26 |         {
 27 |             show_404();
 28 |         }
 29 |  
 30 |         $data['title'] = $data['news_item']['title'];
 31 |  
 32 |         $this->load->view('templates/header', $data);
 33 |         $this->load->view('news/view', $data);
 34 |         $this->load->view('templates/footer');
 35 |     }
 36 |     
 37 |     public function create()
 38 |     {
 39 |         $this->load->helper('form');
 40 |         $this->load->library('form_validation');
 41 |  
 42 |         $data['title'] = 'Create a news item';
 43 |  
 44 |         $this->form_validation->set_rules('title', 'Title', 'required');
 45 |         $this->form_validation->set_rules('text', 'Text', 'required');
 46 |  
 47 |         if ($this->form_validation->run() === FALSE)
 48 |         {
 49 |             $this->load->view('templates/header', $data);
 50 |             $this->load->view('news/create');
 51 |             $this->load->view('templates/footer');
 52 |  
 53 |         }
 54 |         else
 55 |         {
 56 |             $this->news_model->set_news();
 57 |             $this->load->view('templates/header', $data);
 58 |             $this->load->view('news/success');
 59 |             $this->load->view('templates/footer');
 60 |         }
 61 |     }
 62 |     
 63 |     public function edit()
 64 |     {
 65 |         $id = $this->uri->segment(3);
 66 |         
 67 |         if (empty($id))
 68 |         {
 69 |             show_404();
 70 |         }
 71 |         
 72 |         $this->load->helper('form');
 73 |         $this->load->library('form_validation');
 74 |         
 75 |         $data['title'] = 'Edit a news item';        
 76 |         $data['news_item'] = $this->news_model->get_news_by_id($id);
 77 |         
 78 |         $this->form_validation->set_rules('title', 'Title', 'required');
 79 |         $this->form_validation->set_rules('text', 'Text', 'required');
 80 |  
 81 |         if ($this->form_validation->run() === FALSE)
 82 |         {
 83 |             $this->load->view('templates/header', $data);
 84 |             $this->load->view('news/edit', $data);
 85 |             $this->load->view('templates/footer');
 86 |  
 87 |         }
 88 |         else
 89 |         {
 90 |             $this->news_model->set_news($id);
 91 |             //$this->load->view('news/success');
 92 |             redirect( base_url() . 'index.php/news');
 93 |         }
 94 |     }
 95 |     
 96 |     public function delete()
 97 |     {
 98 |         $id = $this->uri->segment(3);
 99 |         
100 |         if (empty($id))
101 |         {
102 |             show_404();
103 |         }
104 |                 
105 |         $news_item = $this->news_model->get_news_by_id($id);
106 |         
107 |         $this->news_model->delete_news($id);        
108 |         redirect( base_url() . 'index.php/news');        
109 |     }
110 | }
111 | 


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/application/models/News_model.php:
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 1 | <?php
 2 | class News_model extends CI_Model {
 3 |  
 4 |     public function __construct()
 5 |     {
 6 |         $this->load->database();
 7 |     }
 8 |     
 9 |     public function get_news($slug = FALSE)
10 |     {
11 |         if ($slug === FALSE)
12 |         {
13 |             $query = $this->db->get('news');
14 |             return $query->result_array();
15 |         }
16 |  
17 |         $query = $this->db->get_where('news', array('slug' => $slug));
18 |         return $query->row_array();
19 |     }
20 |     
21 |     public function get_news_by_id($id = 0)
22 |     {
23 |         if ($id === 0)
24 |         {
25 |             $query = $this->db->get('news');
26 |             return $query->result_array();
27 |         }
28 |  
29 |         $query = $this->db->get_where('news', array('id' => $id));
30 |         return $query->row_array();
31 |     }
32 |     
33 |     public function set_news($id = 0)
34 |     {
35 |         $this->load->helper('url');
36 |  
37 |         $slug = url_title($this->input->post('title'), 'dash', TRUE);
38 |  
39 |         $data = array(
40 |             'title' => $this->input->post('title'),
41 |             'slug' => $slug,
42 |             'text' => $this->input->post('text')
43 |         );
44 |         
45 |         if ($id == 0) {
46 |             return $this->db->insert('news', $data);
47 |         } else {
48 |             $this->db->where('id', $id);
49 |             return $this->db->update('news', $data);
50 |         }
51 |     }
52 |     
53 |     public function delete_news($id)
54 |     {
55 |         $this->db->where('id', $id);
56 |         return $this->db->delete('news');
57 |     }
58 | }
59 | 


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/application/views/news/create.php:
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 1 | <h2><?php echo $title; ?></h2>
 2 |  
 3 | <?php echo validation_errors(); ?>
 4 |  
 5 | <?php echo form_open('news/create'); ?>    
 6 |     <table>
 7 |         <tr>
 8 |             <td><label for="title">Title</label></td>
 9 |             <td><input type="input" name="title" size="50" /></td>
10 |         </tr>
11 |         <tr>
12 |             <td><label for="text">Text</label></td>
13 |             <td><textarea name="text" rows="10" cols="40"></textarea></td>
14 |         </tr>
15 |         <tr>
16 |             <td></td>
17 |             <td><input type="submit" name="submit" value="Create news item" /></td>
18 |         </tr>
19 |     </table>    
20 | </form>
21 | 


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/application/views/news/edit.php:
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 1 | <h2><?php echo $title; ?></h2>
 2 |  
 3 | <?php echo validation_errors(); ?>
 4 |  
 5 | <?php echo form_open('news/edit/'.$news_item['id']); ?>
 6 |     <table>
 7 |         <tr>
 8 |             <td><label for="title">Title</label></td>
 9 |             <td><input type="input" name="title" size="50" value="<?php echo $news_item['title'] ?>" /></td>
10 |         </tr>
11 |         <tr>
12 |             <td><label for="text">Text</label></td>
13 |             <td><textarea name="text" rows="10" cols="40"><?php echo $news_item['text'] ?></textarea></td>
14 |         </tr>
15 |         <tr>
16 |             <td></td>
17 |             <td><input type="submit" name="submit" value="Edit news item" /></td>
18 |         </tr>
19 |     </table>
20 | </form>
21 | 


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/application/views/news/index.php:
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 1 | <h2><?php echo $title; ?></h2>
 2 |  
 3 | <table border='1' cellpadding='4'>
 4 |     <tr>
 5 |         <td><strong>Title</strong></td>
 6 |         <td><strong>Content</strong></td>
 7 |         <td><strong>Action</strong></td>
 8 |     </tr>
 9 | <?php foreach ($news as $news_item): ?>
10 |         <tr>
11 |             <td><?php echo $news_item['title']; ?></td>
12 |             <td><?php echo $news_item['text']; ?></td>
13 |             <td>
14 |                 <a href="<?php echo site_url('news/'.$news_item['slug']); ?>">View</a> | 
15 |                 <a href="<?php echo site_url('news/edit/'.$news_item['id']); ?>">Edit</a> | 
16 |                 <a href="<?php echo site_url('news/delete/'.$news_item['id']); ?>" onClick="return confirm('Are you sure you want to delete?')">Delete</a>
17 |             </td>
18 |         </tr>
19 | <?php endforeach; ?>
20 | </table>
21 | 


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/application/views/news/success.php:
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1 | <p>News added successfully!</p>
2 | 


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/application/views/news/view.php:
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1 | <?php
2 | echo '<h2>'.$news_item['title'].'</h2>';
3 | echo $news_item['text'];
4 | 


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/application/views/templates/footer.php:
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1 | <p><em>Copyright © 2016</em></p>
2 | </body>
3 | </html>
4 | 


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/application/views/templates/header.php:
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1 | <html>
2 | 	<head>
3 | 		<title>CodeIgniter Tutorial</title>
4 | 	</head>
5 | 	<body>
6 | 		<h1>Simple CRUD</h1>
7 | 		<p><a href="<?php echo site_url('news'); ?>">Home</a> | <a href="<?php echo site_url('news/create'); ?>">Add News</a></p>
8 | 


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/database.sql:
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 1 | --
 2 | -- Create database `test`
 3 | --
 4 |  
 5 | CREATE DATABASE `test`;
 6 |  
 7 | use `test`;
 8 |  
 9 | --
10 | -- Table structure for table `news`
11 | --
12 |  
13 | CREATE TABLE IF NOT EXISTS `news` (
14 |   `id` int(11) NOT NULL AUTO_INCREMENT,
15 |   `title` varchar(128) NOT NULL,
16 |   `slug` varchar(128) NOT NULL,
17 |   `text` text NOT NULL,
18 |   PRIMARY KEY (`id`),
19 |   KEY `slug` (`slug`)
20 | ) ENGINE=InnoDB  DEFAULT CHARSET=utf8 AUTO_INCREMENT=1 ;
21 |  
22 | --
23 | -- Dumping data for table `news`
24 | --
25 |  
26 | INSERT INTO `news` (`id`, `title`, `slug`, `text`) VALUES
27 | (1, 'Test', 'test', 'Hello World !!'),
28 | (2, 'What is Lorem Ipsum?', 'what-is-lorem-ipsum', 'Lorem Ipsum is simply dummy text.');
29 | 


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