Add Cookies data to webhook

cf7-to-webhook-add-cookies.php

<?php
/**
 *
 * Plugin Name:       CF7 to Webhook - Add Cookies
 * Description:       Add Cookies data to webhook
 * Version:           1.0.0
 * Author:            Mário Valney
 * Author URI:        https://mariovalney.com
 * Text Domain:       cf7-to-webhook-add-cookies
 */

add_filter( 'ctz_get_data_from_contact_form', 'ctz_add_cookies_to_data_from_contact_form' );

/**
 * Get data from cookie like "Easy UTM tracking with contact form 7"
 * and add to CF7 to Webhook data.
 * 
 * @see wp-content/plugins/easy-utm-tracking-with-contact-form-7/easy-utm-tracking-with-contact-form-7.php
 *
 * @param $data   array 'field => data'
 * @return $data
 */
function ctz_add_cookies_to_data_from_contact_form( $data ) {
    $data['utm_source']   = empty( $_COOKIE['utm_source'] )   ? '' : $_COOKIE['utm_source'];
    $data['utm_medium']   = empty( $_COOKIE['utm_medium'] )   ? '' : $_COOKIE['utm_medium'];
    $data['utm_term']     = empty( $_COOKIE['utm_term'] )     ? '' : $_COOKIE['utm_term'];
    $data['utm_content']  = empty( $_COOKIE['utm_content'] )  ? '' : $_COOKIE['utm_content'];
    $data['utm_campaign'] = empty( $_COOKIE['utm_campaign'] ) ? '' : $_COOKIE['utm_campaign'];

    $data['page_referrer'] = empty( $_SERVER['HTTP_REFERER'] ) ? '' : $_SERVER['HTTP_REFERER'];

    return $data;
}