'Birthday',
'type' => 'date',
'required' => false,
);
return $fields;
}
add_filter( 'woocommerce_checkout_fields', 'flux_add_custom_field', 101, 1 );
/**
* Flux checkout - move fields to step 1 (customer details step).
*/
function flux_move_birthday_field_to_details_step( $customer_details_fields ) {
$customer_details_fields[] = 'billing_birthday';
return $customer_details_fields;
}
add_filter( 'flux_checkout_details_fields', 'flux_move_birthday_field_to_details_step' );
/**
* Save billing_birthday field to order meta.
*
* @param int $order_id Order ID.
*/
function save_billing_birthday_to_order_meta( $order_id ) {
if ( isset( $_POST['billing_birthday'] ) && ! empty( $_POST['billing_birthday'] ) ) {
update_post_meta( $order_id, '_billing_birthday', sanitize_text_field( wp_unslash( $_POST['billing_birthday'] ) ) );
}
}
add_action( 'woocommerce_checkout_update_order_meta', 'save_billing_birthday_to_order_meta' );
/**
* Save billing_birthday field to user meta.
*
* @param int $customer_id Customer/User ID.
*/
function save_billing_birthday_to_user_meta( $customer_id ) {
if ( isset( $_POST['billing_birthday'] ) && ! empty( $_POST['billing_birthday'] ) ) {
update_user_meta( $customer_id, 'billing_birthday', sanitize_text_field( wp_unslash( $_POST['billing_birthday'] ) ) );
}
}
add_action( 'woocommerce_checkout_update_user_meta', 'save_billing_birthday_to_user_meta' );
/**
* Display billing_birthday field in admin order details.
*
* @param WC_Order $order Order object.
*/
function display_billing_birthday_in_admin_order_meta( $order ) {
$birthday = get_post_meta( $order->get_id(), '_billing_birthday', true );
if ( ! empty( $birthday ) ) {
$iso_birthday = date( 'Y-m-d', strtotime( $birthday ) );
echo '' . esc_html__( 'Birthday:', 'woocommerce' ) . ' ' . esc_html( $iso_birthday ) . '
';
}
}
add_action( 'woocommerce_admin_order_data_after_billing_address', 'display_billing_birthday_in_admin_order_meta' );
add_action( 'wp_footer', function() {
if ( ! is_checkout() ) {
return;
}
?>