pablo-sg-pacheco

<?php 
// Remove the Tax Line item from the cart.
function wc_remove_cart_tax_totals( $tax_totals, $instance ) {

	if( is_cart() ) {
		$tax_totals = array();
	}

	return $tax_totals;
}

pablo-sg-pacheco

<?php
add_filter('posts_clauses', 'posts_clauses_with_tax', 10, 2);
function posts_clauses_with_tax( $clauses, $wp_query ) {
	global $wpdb;
	//array of sortable taxonomies
	$taxonomies = array('example-taxonomy', 'other-taxonomy');
	if (isset($wp_query->query['orderby']) && in_array($wp_query->query['orderby'], $taxonomies)) {
		$clauses['join'] .= "
			LEFT OUTER JOIN {$wpdb->term_relationships} AS rel2 ON {$wpdb->posts}.ID = rel2.object_id
			LEFT OUTER JOIN {$wpdb->term_taxonomy} AS tax2 ON rel2.term_taxonomy_id = tax2.term_taxonomy_id

pablo-sg-pacheco

<?php
function woocommerce_version_check( $version = '3.0' ) {
  if ( class_exists( 'WooCommerce' ) ) {
    global $woocommerce;
    if( version_compare( $woocommerce->version, $version, ">=" ) ) {
      return true;
    }
  }
  return false;
}