if (isset($_GET['function'])) {
     if ($ROUTE[$_GET['function']]['method2'] === 'GET') {
         if ($ROUTE[$_GET['function']]['url2'] === 'searchProduct' and (isset($_GET["product_name"]) or isset($_GET["product_category"]))) {
             $cont = new controllers();
             //print $_GET["product_category"].$_GET["product_name"];
             if (isset($_GET["product_name"])) {
                 $product_name = $_GET["product_name"];
             } else {
                 $product_name = "null";
             }
             if (isset($_GET["product_category"])) {
                 $product_category = $_GET["product_category"];
             } else {
                 $product_category = "null";
             }
             $cont->searchProductByGET($product_name, $product_category);
         } else {
             if ($_GET['function'] == "searchProduct") {
                 $ret['message'] = "Undefined Product name or category";
                 $ret['status_code'] = 404;
                 print json_encode($ret);
             } else {
                 if ($_GET['function'] == "viewAll") {
                     $cont = new controllers();
                     $cont->viewAllByGET();
                 } else {
                     $ret['message'] = "Undefined function";
                     $ret['status_code'] = 404;
                     print json_encode($ret);
                 }
             }