OpenCart 🇺🇦

$sql = "SELECT cp.category_id AS category_id, GROUP_CONCAT(cd1.name ORDER BY cp.level SEPARATOR ' > ') AS name, c.parent_id, c.sort_order FROM " . DB_PREFIX . "category_path cp LEFT JOIN " . DB_PREFIX . "category c ON (cp.path_id = c.category_id) LEFT JOIN " . DB_PREFIX . "category_description cd1 ON (c.category_id = cd1.category_id) LEFT JOIN " . DB_PREFIX . "category_description cd2 ON (cp.category_id = cd2.category_id) WHERE cd1.language_id = '" . (int)$this->config->get('config_language_id') . "' AND cd2.language_id = '" . (int)$this->config->get('config_language_id') . "'";

if (!empty($data['filter_name'])) {
	$sql .= " AND cd2.name LIKE '" . $this->db->escape($data['filter_name']) . "%'";
}

$sql .= " GROUP BY cp.category_id ORDER BY name";

if (isset($data['start']) || isset($data['limit'])) {
	if ($data['start'] < 0) {
		$data['start'] = 0;
	}				

	if ($data['limit'] < 1) {
		$data['limit'] = 20;
	}	

	$sql .= " LIMIT " . (int)$data['start'] . "," . (int)$data['limit'];
}

$query = $this->db->query($sql);

return $query->rows;