Pagination Class
CodeIgniter's Pagination class is very easy to use, and it is 100% customizable, ether dynamically or via stored preferences.
If you are not familiar with the term "pagination", it refers to links that allows you to navigate from page to page, like this:
« First < 1 2 3 4 5 > Last »
Example
Here is a simple example showing how to create pagination in one of your controller functions:
$this->load->library('pagination');
$config['base_url'] = 'http://www.your-site.com/index.php/test/page/';
$config['total_rows'] = '200';
$config['per_page'] = '20';
$this->pagination->initialize($config);
echo $this->pagination->create_links();
Notes:
The $config array contains your configuration variables. It is passed to the $this->pagination->initialize function as shown above. Although there are some twenty items you can configure, at minimum you need the three shown. Here is a description of what those items represent:
- base_url This is the full URL to the controller class/function containing your pagination. In the example above, it is pointing to a controller called "Test" and a function called "page". Keep in mind that you can re-route your URI if you need a different structure.
- total_rows This number represents the total rows in the result set you are creating pagination for. Typically this number will be the total rows that your database query returned.
- per_page The number of items you intend to show per page. In the above example, you would be showing 20 items per page.
The create_links() function returns an empty string when there is no pagination to show.
Setting preferences in a config file
If you prefer not to set preferences using the above method, you can instead put them into a config file. Simply create a new file called the pagination.php, add the $config array in that file. Then save the file in: config/pagination.php and it will be used automatically. You will NOT need to use the $this->pagination->initialize function if you save your preferences in a config file.
Customizing the Pagination
The following is a list of all the preferences you can pass to the initialization function to tailor the display.
$config['uri_segment'] = 3;
The pagination function automatically determines which segment of your URI contains the page number. If you need something different you can specify it.
$config['num_links'] = 2;
The number of "digit" links you would like before and after the selected page number. For example, the number 2 will place two digits on either side, as in the example links at the very top of this page.
Adding Enclosing Markup
If you would like to surround the entire pagination with some markup you can do it with these two prefs:
$config['full_tag_open'] = '<p>';
The opening tag placed on the left side of the entire result.
$config['full_tag_close'] = '</p>';
The closing tag placed on the right side of the entire result.
Customizing the First Link
$config['first_link'] = 'First';
The text you would like shown in the "first" link on the left.
$config['first_tag_open'] = '<div>';
The opening tag for the "first" link.
$config['first_tag_close'] = '</div>';
The closing tag for the "first" link.
Customizing the Last Link
$config['last_link'] = 'Last';
The text you would like shown in the "last" link on the right.
$config['last_tag_open'] = '<div>';
The opening tag for the "last" link.
$config['last_tag_close'] = '</div>';
The closing tag for the "last" link.
Customizing the "Next" Link
$config['next_link'] = '>';
The text you would like shown in the "next" page link.
$config['next_tag_open'] = '<div>';
The opening tag for the "next" link.
$config['next_tag_close'] = '</div>';
The closing tag for the "next" link.
Customizing the "Previous" Link
$config['prev_link'] = '<';
The text you would like shown in the "previous" page link.
$config['prev_tag_open'] = '<div>';
The opening tag for the "previous" link.
$config['prev_tag_close'] = '</div>';
The closing tag for the "previous" link.
Customizing the "Current Page" Link
$config['cur_tag_open'] = '<b>';
The opening tag for the "current" link.
$config['cur_tag_close'] = '</b>';
The closing tag for the "current" link.
Customizing the "Digit" Link
$config['num_tag_open'] = '<div>';
The opening tag for the "digit" link.
$config['num_tag_close'] = '</div>';
The closing tag for the "digit" link.