OpenCart 🇺🇦

if ($data) {
	$sql = "SELECT * FROM " . DB_PREFIX . "currency";

	$sort_data = array(
		'title',
		'code',
		'value',
		'date_modified'
	);

	if (isset($data['sort']) && in_array($data['sort'], $sort_data)) {
		$sql .= " ORDER BY " . $data['sort'];
	} else {
		$sql .= " ORDER BY title";
	}

	if (isset($data['order']) && ($data['order'] == 'DESC')) {
		$sql .= " DESC";
	} else {
		$sql .= " ASC";
	}

	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;
} else {
	$currency_data = $this->cache->get('currency');

	if (!$currency_data) {
		$currency_data = array();

		$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "currency ORDER BY title ASC");

		foreach ($query->rows as $result) {
			$currency_data[$result['code']] = array(
				'currency_id'   => $result['currency_id'],
				'title'         => $result['title'],
				'code'          => $result['code'],
				'symbol_left'   => $result['symbol_left'],
				'symbol_right'  => $result['symbol_right'],
				'decimal_place' => $result['decimal_place'],
				'value'         => $result['value'],
				'status'        => $result['status'],
				'date_modified' => $result['date_modified']
			);
		}

		$this->cache->set('currency', $currency_data);
	}

	return $currency_data;
}