Ticket #39601: 39601.patch

src/wp-includes/taxonomy.php

@@ -3859 +3859 @@
 
         $taxonomy = $term->taxonomy;
 
-        $termlink = $wp_rewrite->get_extra_permastruct($taxonomy);
+        /**
+   * Filters the permalink for a term before applying the permalink structure
+   *
+   *
+   * @since 4.7.2
+   *
+   * @param string|false  $wp_rewrite->get_extra_permastruct($taxonomy) The permalink structure for this taxonomy, or false if not set.
+   * @param string        $taxonomy
+   * @param WP_Term       $term
+   */
+  $termlink = apply_filters( 'pre_term_link', $wp_rewrite->get_extra_permastruct($taxonomy), $taxonomy, $term );
 
         $slug = $term->slug;
         $t = get_taxonomy($taxonomy);