Jak snadno a rychle přidat pole IČ a DIČ do pokladny WooCommerce bez pluginu!

// Přidání vlastních polí do formuláře pokladny
function add_custom_checkout_fields( $fields ) {
$fields['billing']['billing_ic'] = array(
'label' => __('IČ', 'woocommerce'),
'placeholder' => _x('IČ', 'placeholder', 'woocommerce'),
'required' => false,
'class' => array('form-row-wide'),
'clear' => true,
);

$fields['billing']['billing_dic'] = array(
'label' => __('DIČ', 'woocommerce'),
'placeholder' => _x('DIČ', 'placeholder', 'woocommerce'),
'required' => false,
'class' => array('form-row-wide'),
'clear' => true,
);

// Získání pozice pole "Název firmy"
$company_field_position = array_search('billing_company', array_keys($fields['billing']));

// Vložení pole "IČ" pod pole "Název firmy"
if ($company_field_position !== false) {
$company_field_position++;
$fields['billing'] = array_slice($fields['billing'], 0, $company_field_position, true) +
array('billing_ic' => $fields['billing']['billing_ic'], 'billing_dic' => $fields['billing']['billing_dic']) +
array_slice($fields['billing'], $company_field_position, null, true);
}

return $fields;
}
add_filter( 'woocommerce_checkout_fields' , 'add_custom_checkout_fields' );

// Uložení vlastních polí
function save_custom_checkout_fields( $order_id ) {
if ( ! empty( $_POST['billing_ic'] ) ) {
update_post_meta( $order_id, 'billing_ic', sanitize_text_field( $_POST['billing_ic'] ) );
}
if ( ! empty( $_POST['billing_dic'] ) ) {
update_post_meta( $order_id, 'billing_dic', sanitize_text_field( $_POST['billing_dic'] ) );
}
}
add_action( 'woocommerce_checkout_update_order_meta', 'save_custom_checkout_fields' );

// Zobrazení v administraci v objednávkách
function display_custom_fields_in_admin_order( $order ){
echo '<p><strong>'.__('IČ').':</strong> ' . get_post_meta( $order->get_id(), 'billing_ic', true ) . '</p>';
echo '<p><strong>'.__('DIČ').':</strong> ' . get_post_meta( $order->get_id(), 'billing_dic', true ) . '</p>';
}
add_action( 'woocommerce_admin_order_data_after_billing_address', 'display_custom_fields_in_admin_order', 10, 1 );