Add ‘Quick Add to Cart’ Button on WooCommerce Product Pages

Code

<?php
// Add 'Quick Add to Cart' button on WooCommerce product pages

// Hook to display the 'Quick Add to Cart' button on the product page
add_action('woocommerce_after_shop_loop_item', 'wp_dudecom_quick_add_to_cart_button', 15);

function wp_dudecom_quick_add_to_cart_button() {
    global $product;

    // Check if the product is purchasable and in stock
    if ($product->is_purchasable() && $product->is_in_stock()) {
        // Get the product ID
        $product_id = $product->get_id();

        // Create the 'Quick Add to Cart' button
        echo '<a href="' . esc_url( add_query_arg('add-to-cart', $product_id) ) . '" class="button wp-dudecom-quick-add-to-cart">' . esc_html__('Quick Add to Cart', 'woocommerce') . '</a>';
    }
}

// Redirect to checkout page after adding product to cart
add_action('template_redirect', 'wp_dudecom_redirect_to_checkout');

function wp_dudecom_redirect_to_checkout() {
    if (isset($_GET['add-to-cart'])) {
        // Redirect to the checkout page
        wp_safe_redirect(wc_get_checkout_url());
        exit;
    }
}

// Change the 'Add to Cart' button text on the product page
add_filter('woocommerce_product_single_add_to_cart_text', 'wp_dudecom_custom_add_to_cart_text');

function wp_dudecom_custom_add_to_cart_text() {
    return __('Quick Purchase', 'woocommerce');
}

// Change the 'Add to Cart' button text on the shop page
add_filter('woocommerce_product_add_to_cart_text', 'wp_dudecom_custom_add_to_cart_text_shop');

function wp_dudecom_custom_add_to_cart_text_shop() {
    return __('Quick Purchase', 'woocommerce');
}
?>