olets

{% set no_protocol = url|split('//')[1] ?: url %}
{% set only_domains = no_protocol|split('/')[0] ?: no_protocol %}
{% set url_domain = '' %}
{% if only_domains|split('.')[2] %}
   {% set url_domain = only_domains|split('.')[1] %}
{% else %}
   {% set url_domain = only_domains|split('.')[0] %}
{% endif %}

adactio

<?php

# Licensed under a CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
# http://creativecommons.org/publicdomain/zero/1.0/

function postToMedium($data=array()) {

    $user_id = "XXXX";
    $accessToken = "XXXX";