$url = $_SERVER['PHP_SELF'];
$pagination = new Pagination();

$key = "";
if (isset($_GET['key'])) {
    $key = $_GET['key'];
} else header("location:index.php");

$products = $productsModel->getProductsWithKeyword($key);
$productsPagination = $productsModel->getProductsWithKeywordPagination($key, $pagination::$page, $pagination::$perPage);