'isbn',
'label' => __('ISBN', 'woocommerce'),
'desc_tip' => true,
'description' => __('Gib die ISBN des Produkts ein.'),
]);
});
// Feld speichern
add_action('woocommerce_process_product_meta', function ($post_id) {
if (isset($_POST['isbn'])) {
update_post_meta($post_id, 'isbn', sanitize_text_field($_POST['isbn']));
}
});
Hörbuch | Sheema Verlag
