php-ua/php

<?php
$data['categories'] = [];

        $categories = $this->model_catalog_category->getCategories(0);

        $massIcons = [
                0 => '<i class="glyphicon i1"></i>',
                1 => '<i class="glyphicon i2"></i>',
                2 => '<i class="glyphicon i3"></i>',
                3 => '<i class="glyphicon i4"></i>',
            ];
        $iconCount = 0;

        foreach ($categories as $category) {
            $childIds = [];
            $childIds[] = $category['category_id'];

            if ($category['top']) {
                // Level 2
                $children_data = [];

                $children = $this->model_catalog_category->getCategories($category['category_id']);

                foreach ($children as $child) {
                    $childIds[] = $child['category_id'];

                    echo '<b>child:'.$child['name'].'</b><br>';
                    $children_data[] = array(
                        'name'  => $child['name'],
                        'href'  => $this->url->link('product/category', 'path=' . implode('_',$childIds))
                    );
                }

                // Level 1
                echo '<b>cat:'.$category['name'].'</b><br>';
                $data['categories'][] = array(
                    'name'     => $category['name'],
                    'children' => $children_data,
                    'column'   => $category['column'] ? $category['column'] : 1,
                    'href'     => $this->url->link('product/category', 'path=' . implode('_',$childIds)),
                    'icon'     => $massIcons[$iconCount]
                );
                $iconCount++;
            }
        }

        echo '<pre>';
        print_r($data['categories']);
        echo '</pre>';
        die("STOP SUKA !!!!");
?>