How to create a custom admin page in OpenCart?

OpenCart uses the MVC pattern.

Recommended reading: How to be an OpenCart Guru?

1) Create a new file in admin/controller/custom/helloworld.php

Your filename and controller name should be the same in desc order:



class ControllerCustomHelloWorld extends Controller{ 
    public function index(){
                // VARS
                $template="custom/hello.tpl"; // .tpl location and file
        $this->template = ''.$template.'';
        $this->children = array(

2) Create a new file in admin/view/template/custom/hello.tpl


<?php echo $header; ?>
<div id="content">
echo 'I can also run PHP too!'; 
<?php echo $footer; ?>

3) Create a new file in admin/model/custom/hello.php

class ModelCustomHello extends Model {
    public function HellWorld() {
        $sql = "SELECT x FROM `" . DB_PREFIX . "y`)"; 
        $implode = array();
        $query = $this->db->query($sql);
        return $query->row['total'];    

4) You then need to enable the plugin to avoid permission denied errors:

Opencart > Admin > Users > User Groups > Admin > Edit

Select and Enable the Access Permission.

To visit your page go to

Credits: Post

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