GLS ParcelShop

<?php
                        $chosen_methods = WC()->session->get('chosen_shipping_methods');
                        $chosen_shipping = $chosen_methods[0];
                        global $woocommerce;
                        if (($chosen_shipping == "flat_rate:10" && $method->id == "flat_rate:10" && is_checkout()) OR ($chosen_shipping == "flat_rate:11" && $method->id == "flat_rate:11" && is_checkout())) :
                            $customer = new WC_Customer();
                            $shipping_country = WC()->customer->get_shipping_country();
                            //var_dump ($_GET['id']);
                            if (isset($_GET['id'])) {
                                $gls_id = htmlentities(rawurldecode($_GET['id']));
                                $gls_name = htmlentities(rawurldecode($_GET['name_gls']), ENT_QUOTES );
                                $gls_address = htmlentities(rawurldecode($_GET['address']));
                                $gls_city = htmlentities(rawurldecode($_GET['city']));
                                $gls_zipcode = htmlentities(rawurldecode($_GET['zipcode']));

                                //rozlisuje ci je PSC CZ alebo SK
                                    $sk_psc = array(0, 8, 9);
                                    if (in_array(substr($gls_zipcode, 0, 1), $sk_psc)) {
                                        $gls_country = "SK";
                                        }
                                    else {
                                        $gls_country = "CZ";
                                        }
                                if ($gls_country == $shipping_country) {
                                ?>
                                    <p class="shippingDescription"><u><strong>Odběrné místo vybráno:<strong></u></p>
                                    <p class="shippingDescription"><?php echo $gls_id; ?></p>
                                    <p class="shippingDescription"><?php echo $gls_name; ?></p>
                                    <p class="shippingDescription"><?php echo $gls_address; ?></p>
                                    <p class="shippingDescription"><?php echo $gls_city; ?></p>
                                    <p class="shippingDescription"><?php echo $gls_zipcode; ?></p>

                                    <input type="hidden" name="gls_parcelshop_id" value="<?php echo  htmlspecialchars($gls_id); ?>" required>
                                    <input type="hidden" name="gls_parcelshop_name" value="<?php echo htmlspecialchars($gls_name); ?>">
                                    <input type="hidden" name="gls_parcelshop_address" value="<?php echo  htmlspecialchars($gls_address); ?>">
                                    <input type="hidden" name="gls_parcelshop_city" value="<?php echo  htmlspecialchars($gls_city); ?>">
                                    <input type="hidden" name="gls_parcelshop_zipcode" value="<?php echo  htmlspecialchars($gls_zipcode); ?>">
                            <?  }
                                else {
                                    wc_clear_notices();
                                    wc_add_notice(  'Vyberte si GLS ParcelShop dostupný ve Vašem regionu.',  $notice_type = 'error' ); ?>
                                    <p class="shippingDescription"><a href="https://help.gls-czech.cz/cs/maps">Vyberte odběrné místo</a></p>
                                <?}

                            } else { ?>
                                <p class="shippingDescription"><a href="https://help.gls-czech.cz/cs/maps">Vyberte odběrné místo</a></p>
                            <?}?>
                        <?php endif; ?>