[Forminator] Fix Trello Empty Due Date

wpmudev-formiantor-fix-trello-empty-due-date.php

<?php
/**
 * Plugin Name: [Forminator] Fix Trello Empty Due Date
 * Plugin URI: https://premium.wpmudev.org
 * Description: When Trello due date is not set on the form submission, the data isn't sent to Trello - this snippet fixes this problem.
 * Author: Glauber Silva @ WPMUDEV
 * Author URI: https://premium.wpmudev.org
 * Jira Task: SLS-2465
 * License: GPLv2 or later
 *
 * @package WPMUDEV_Forminator_Fix_Trello_Empty_Due_Date
 */

defined( 'ABSPATH' ) || exit;

function wpmudev_forminator_fix_trello_empty_due_date( $args ) {

    if ( empty( trim( $args['due'] ) ) ) {
        $args['due'] = null;
    }

	return $args;
}
add_filter( 'forminator_addon_trello_create_card_args', 'wpmudev_forminator_fix_trello_empty_due_date' );