Thêm trường số lượng và nút thêm vào giỏ ra trang shop – woocommerce

<?php
// Nhớ xóa <?php khi cho vào function.php
function isures_custom_quantity_field_archive()
{

    global $product;
    if ($product->is_type('simple')) {
        echo '<div class="isures-custom--qty_wrap">';
        echo '<div class="isures-qtv--wrap">';
        woocommerce_quantity_input(array('min_value' => 1, 'max_value' => $product->backorders_allowed() ? '' : $product->get_stock_quantity()));
        echo '</div>';
        woocommerce_template_loop_add_to_cart();
        echo '</div>';
    }
}

add_action('woocommerce_after_shop_loop_item', 'isures_custom_quantity_field_archive', 15, 9);

add_action('wp_footer', 'isures_quantity_reg_style');

function isures_quantity_reg_style()
{
?>
    <style>
        .isures-custom--qty_wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .isures-custom--qty_wrap .ajax_add_to_cart {
            font-size: 12px;
            margin: 0;
            padding: 10px 15px;
            min-height: auto;
            line-height: 1.5;
        }
    </style>
    <?php
}

function isures_custom_add_to_cart_quantity_handler()
{
    wc_enqueue_js('
jQuery( "body" ).on( "click", ".quantity input", function() {
return false;
});
jQuery( "body" ).on( "change input", ".quantity .qty", function() {
var add_to_cart_button = jQuery( this ).parents( ".product" ).find( ".add_to_cart_button" );
add_to_cart_button.attr( "data-quantity", jQuery( this ).val() );
add_to_cart_button.attr( "href", "?add-to-cart=" + add_to_cart_button.attr( "data-product_id" ) + "&quantity=" + jQuery( this ).val() );
});
');
}
add_action('init', 'isures_test_luoi');