In this tutorial, I will demonstrate how to use Codeigniter Pagination in your projects built on any PHP Hosting. I will start with the Model, then Controller and finally with the View.
CodeIgniter application usually have at least one database. In an average project, the database produces a lot of queries that need to be presented. The problem is that the display of the results could be messy. This is where pagination in CodeIgniter comes to the rescue.
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The Model
The model for the demo application carries out two important tasks: It provides a count of the records in the Departments table, and retrieve the list of departments from the table.
The path of the model is models/departments.php. Here is the code for the model:
<?php
class Departments extends CI_Model
{
public function __construct() {
parent::__construct();
}
public function record_count() {
return $this->db->count_all("Departments");
}
public function fetch_departments($limit, $start) {
$this->db->limit($limit, $start);
$query = $this->db->get("Departments");
if ($query->num_rows() > 0) {
foreach ($query->result() as $row) {
$data[] = $row;
}
return $data;
}
return false;
}
}
Here’s a short definition of the methods in the model:
record_count() returns the number of records; `fetch_departments()` method retrieves a list of all the records from the Departments table.
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The Controller
The controller for the application is located in the default folder and is named welcome.php. This controlled calls a function `departmentdata()` that offers common configuration options for the Codeigniter pagination library. Here is the code for the Controller:
<?php
class Welcome extends CI_Controller
{
public function __construct() {
parent:: __construct();
$this->load->helper("url");
$this->load->model("Departments");
$this->load->library("pagination");
}
public function departmentdata() {
$config = array();
$config["base_url"] = base_url() . "welcome/departmentdata";
$config["total_rows"] = $this->Departments->record_count();
$config["per_page"] = 5;
$config["uri_segment"] = 3;
$this->pagination->initialize($config);
$page = ($this->uri->segment(3)) ? $this->uri->segment(3) : 0;
$data["results"] = $this->Departments->
fetch_departments($config["per_page"], $page);
$data["links"] = $this->pagination->create_links();
$this->load->view("departmentdata", $data);
}
}
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The View
The View of the application is located in the views/departmentdata.php. Here is the complete code for the View:
<body>
<div id="container">
<div id="body">
<?php
foreach($results as $data) {
echo $data->Departments . " - " . $data->Labs . "<br>";
}
?>
<p><?php echo $links; ?></p>
</div>
</div>
</body>
The Application
The URl of the demo application is http://domainname/welcome/departmentdata
Here is how it would look. You could see that the large dataset is cleanly displayed.
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Conclusion
Pagination in CodeIgniter is a great way of displaying a large number of database query results in a clean manner. I hope that this tutorial would help you implement this technique into your projects.
Owais Khan
Owais works as a Marketing Manager at Cloudways (managed hosting platform) where he focuses on growth, demand generation, and strategic partnerships. With more than a decade of experience in digital marketing and B2B, Owais prefers to build systems that help teams achieve their full potential.
