Dostosowywanie informacji o zamówieniu WooCommerce w powiadomieniach e-mailowych

Kod

<?php
// Hook into WooCommerce email order details
add_filter('woocommerce_email_order_meta_fields', 'wp_dudecom_custom_email_order_meta_fields', 10, 3);

/**
 * Add custom information to WooCommerce email order details.
 *
 * @param array $fields Existing fields in the email order details.
 * @param WC_Order $order The order object.
 * @param bool $sent_to_admin Whether the email is sent to the admin.
 * @return array Modified fields with custom information.
 */
function wp_dudecom_custom_email_order_meta_fields($fields, $order, $sent_to_admin) {
    // Check if the order is valid
    if (!$order instanceof WC_Order) {
        return $fields;
    }

    // Add custom field to the email order details
    $fields['custom_field'] = array(
        'label' => __('Custom Information', 'text-domain'),
        'value' => get_post_meta($order->get_id(), '_custom_meta_key', true),
    );

    return $fields;
}

// Hook into WooCommerce email styles
add_filter('woocommerce_email_styles', 'wp_dudecom_custom_email_styles');

/**
 * Add custom CSS styles to WooCommerce emails.
 *
 * @param string $css Existing CSS styles.
 * @return string Modified CSS styles with custom additions.
 */
function wp_dudecom_custom_email_styles($css) {
    $custom_css = "
        .custom-information {
            font-size: 14px;
            color: #333;
            margin-top: 10px;
        }
    ";
    return $css . $custom_css;
}

// Hook into WooCommerce email order items table
add_action('woocommerce_email_order_details', 'wp_dudecom_custom_email_order_details', 20, 4);

/**
 * Add custom content to WooCommerce email order details.
 *
 * @param WC_Order $order The order object.
 * @param bool $sent_to_admin Whether the email is sent to the admin.
 * @param bool $plain_text Whether the email is in plain text.
 * @param WC_Email $email The email object.
 */
function wp_dudecom_custom_email_order_details($order, $sent_to_admin, $plain_text, $email) {
    // Check if the order is valid
    if (!$order instanceof WC_Order) {
        return;
    }

    // Output custom information in the email
    echo '<p class="custom-information">' . __('Thank you for your purchase! Here is some custom information related to your order.', 'text-domain') . '</p>';
}
?>