How to automatically check/select filter values based on the archive page?

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Automatically selecting taxonomy filter values, based on the current taxonomy archive page

Category archive auto-selection
For every taxonomy
For specific taxonomies only
​Where do I put this custom code?​
add_filter('asp_pre_get_front_filters', 'asp_change_tax_filter', 10, 2);
function asp_change_tax_filter($filters, $type) {
  // --- DO NOT CHANGE ANYTHING BELOW ---
  if ( is_archive() ) {
      $term_id = get_queried_object()->term_id;
      if ( empty($term_id) )
          return $filters;
          
      $taxonomy = get_queried_object()->taxonomy;   
      foreach ($filters as $k => &$filter) {
          $term_id = get_queried_object()->term_id;
          if ( $type == 'taxonomy' && $filter->data['taxonomy'] == $taxonomy ) {
              $filter->unselect();
              $filter->select($term_id);
          }
      }
  }
  return $filters;
}
​Where do I put this custom code?​
add_filter('asp_pre_get_front_filters', 'asp_change_tax_filter', 10, 2);
function asp_change_tax_filter($filters, $type) {
  $taxonomies = 'category, post_tag'; // Comma separated list of taxonomies
​
  // --- DO NOT CHANGE ANYTHING BELOW ---
  if ( is_archive() ) {
      $term_id = get_queried_object()->term_id;
      if ( empty($term_id) )
          return $filters;
      $taxonomies = explode(',', $taxonomies);
      foreach ( $taxonomies as $taxonomy ) {
          $taxonomy = trim($taxonomy);
          foreach ($filters as $k => &$filter) {
              if ($type == 'taxonomy' && $filter->data['taxonomy'] == $taxonomy) {
                  $filter->unselect();
                  $filter->select($term_id);
              }
          }
      }
  }
  return $filters;
}
$taxonomy (string) - comma separated list of taxonomy names, where you want the code to apply

Restricting results to the same category as the current post object

Next - Frontend Filters

Frontend filters API

Last modified 2yr ago

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