static function pagination($link, $length, $page, $on_page) {

        

$link = str_replace('/index?', '/?', $link);

        $link = str_replace('/index.php/?', '/index.php?', $link);

        $return = "<p class='pagination'>";

        for ($i = 0; $i < ceil($length / $on_page); $i++) {

            if ($i === 0) {

                $_url = str_replace('?page=[page]', '', $link);

            } else {

                $_url = str_replace('[page]', $i, $link);

            }

            $return .= "<a href='$_url'" . ($i == $page ? " class='active'" : null) . ">" . ($i + 1) . "</a>";

        }

        $return .= "</p>";

        return $return;

    }



}