if (isset($_POST['add_to_cart'])) {
                   if (isset($_POST['select_size']) && isset($_POST['select_color']) && isset($_POST['select_quantity'])) {
                       $size = $_POST['select_size'];
                       $color = $_POST['select_color'];
                       $quantity = $_POST['select_quantity'];


                       if (isset($_GET['lang'])) {
                           $the_lang = mysqli_real_escape_string($connection, $_GET['lang']);

                               if ($the_lang == 'ro') {
                                   $product_name = $product_name_ro;
                               } else if ($the_lang == 'en') {
                                   $product_name = $product_name_en;
                               } else if ($the_lang == 'fr') {
                                   $product_name = $product_name_fr;
                               }
                       } else {
                           $product_name = $product_name_ro;
                       }

                       if (isset($_GET['coin'])) {
                           $the_coin = mysqli_real_escape_string($connection, $_GET['coin']);

                           if ($the_coin == 'ron') {
                               $price = $product_price_ron;
                               $the_coin = 'RON';
                           } else if ($the_coin == 'dollar') {
                               $price = $product_price_dollar;
                               $the_coin = '$';
                           } else if ($the_coin == 'euro') {
                               $price = $product_price_euro;
                               $the_coin = '€';
                           }
                       } else {
                           $price = $product_price_ron;
                           $the_coin = 'RON';
                       }
                    }

                    $total_price = $price * $quantity;


                    $_SESSION['cart'][$product_id] = array('product_name' => $product_name, 'coin' => $the_coin, 'price' => $price, 'total_price' => $total_price, 'size' => $size, 'color' => $color, 'quantity' => $quantity);

                    $temp = $_SESSION['cart'];
                    array_push($_SESSION['cart'][$product_id], $temp);
                        //setcookie($product_id, $product_name.",".$the_coin.",".$price.",".$total_price.",".$size.",".$color.",".$quantity, time() + (86400 * 30), "/");

                       /*
                       if (isset($_GET['lang'])) {
                            $the_lang = mysqli_real_escape_string($connection, $_GET['lang']);

                            if ($the_lang == 'ro') {
                                setcookie($product_name_ro, $product_id, time() + (86400 * 30), "/");
                            } else if ($the_lang == 'en') {
                                setcookie($product_name_en, $product_id, time() + (86400 * 30), "/");
                            } else if ($the_lang == 'fr') {
                                setcookie($product_name_fr, $product_id, time() + (86400 * 30), "/");
                            }
                        } else {

                        }
                        */

                    header("Location: ".$_SERVER['HTTP_REFERER']);