add_action( \'user_register\', \'usermeta_update\');
function usermeta_update( $user_id )
{
add_action(\'woocommerce_created_customer\', \'save_data\', $user_id);
}
//save data
function save_data($customer_id)
{
//First name field
if (isset($_POST[\'billing_first_name\'])) {
update_user_meta($customer_id, \'first_name\', sanitize_text_field($_POST[\'billing_first_name\']));
update_user_meta($customer_id, \'billing_first_name\', sanitize_text_field($_POST[\'billing_first_name\']));
}
//Last name field
if (isset($_POST[\'billing_last_name\'])) {
update_user_meta($customer_id, \'last_name\', sanitize_text_field($_POST[\'billing_last_name\']));
update_user_meta($customer_id, \'billing_last_name\', sanitize_text_field($_POST[\'billing_last_name\']));
}
}