Answers for "wp_query order by date desc"

order by date wp php

$query = new WP_Query(array(
    'post_status' => 'publish',
    'orderby' => 'publish_date',
    'order' => 'DESC'
  ));
//DESC sorts by newest, ASC by oldest. GL fellow grepper user

wp_query order by taxonomy

$timeline_taxonomies = get_terms(array(
    'fields' => 'ids',   //get the IDs
    'taxonomy'     => 'taxonomy_name',
    'orderby'      => 'term_order',
    'hide_empty'   => true,
));