function showCatalog($count, $page)
{
    echo "<ul class=catalog-items>";
    for ($i = 1; $i < $count + 1; $i++) {
        if ($i != $page) {
            echo "<li><a href=/edit-cat-all/?page={$i}>{$i}</a></li>";
        } else {
            echo "<li class=current>{$i}</li>";
        }
    }
}
if ($page <= $count) {
    $offset = (intval($page) - 1) * $count_of_items_on_page;
    include_once "_table-categories.php";
    for ($i = $offset; $i < $offset + $count_of_items_on_page; $i++) {
        if ($i < count($categories)) {
            echo "<table class='categories list'><tbody>";
            echo "<tr>";
            echo "<td>" . $categories[$i]['id'] . "</td>";
            echo "<td>" . $categories[$i]['title'] . "</td>";
            echo "<td><a href=" . \App\Utilities\Options::URL . "/edit-cat/?id=" . $categories[$i]['id'] . " class='edit adm-btn'>Изменить</a></td>";
            echo "<td><a href=" . \App\Utilities\Options::URL . "/delete-cat/?id=" . $categories[$i]['id'] . " class='delete adm-btn'>Удалить</a></td>";
            echo "</tr></tbody></table>";
        }
    }
} else {
    echo "Список пуст";
}
if (count($categories) > $count_of_items_on_page) {
    showCatalog($count, $page);
}
    for ($i = 1; $i < $count + 1; $i++) {
        if ($i != $page) {
            echo "<li><a href=/category/?id={$id}&page={$i}>{$i}</a></li>";
        } else {
            echo "<li class=current>{$i}</li>";
        }
    }
}
if ($page <= $count) {
    $offset = (intval($page) - 1) * $count_of_items_on_page;
    if (isset($_SESSION['user_id'])) {
        include_once "_table-products.php";
    }
    for ($i = $offset; $i < $offset + $count_of_items_on_page; $i++) {
        if ($i < count($products)) {
            if (isset($_SESSION['user_id'])) {
                include "_shop_element_admin.php";
            } else {
                include "_shop_element.php";
            }
        }
    }
} else {
    echo "Список товаров пуст";
}
if (count($products) > $count_of_items_on_page) {
    showCatalog($count, $page, $id);
}
if (isset($_SESSION['user_id'])) {
    echo "<a href=" . \App\Utilities\Options::URL . "/add class='add-item adm-btn'>Добавить товар</a>";
}