Profile: Kristin

[wpv-control-post-taxonomy taxonomy="military-action" type="select" default_label="Select Conflict Below" url_param="wpv-military-action" orderby="id"]

function custom_taxonomy_filter_order( $terms, $taxonomies, $args, $term_query ){
 
  global $required_orderby;
 
  // Specify taxonomy, current setting for orderby, and required order (slugs) here
  $taxonomy = "military-action";
  $current_orderby = "id";
  $required_orderby = array(
    "wwi","wwii","korean-war","vietnam-war","gulf-war","war-in-iraq","war-on-terror","unknown"
  );
 
  if ( $taxonomies[0] == $taxonomy && $args['orderby'] == $current_orderby ){
 
    usort( $terms, "custom_term_compare" );
 
  };
 
  return $terms;
}
add_filter( 'get_terms', 'custom_taxonomy_filter_order', 10, 4);
 
/**
 * Customise sort function
 *
 */
function custom_term_compare( $a, $b ){
 
  global $required_orderby;
 
  $a_key = array_search( $a->slug, $required_orderby );
  $b_key = array_search( $b->slug, $required_orderby );
 
  if ( $a_key == $b_key ) {
    return 0;
  }
  return ( $a_key < $b_key ) ? -1 : 1;
}