Changeset 21169

Timestamp:

06/28/2012 08:28:57 PM (12 years ago)

Author:

nacin

Message:

Add a post_link_category filter to the permalink generation process.

This allows a plugin to easily change which category gets represented
in the URL. Previously, it went off the category with the smallest ID.

props aaroncampbell
fixes #18752

File:

• trunk/wp-includes/link-template.php (modified) (1 diff)

trunk/wp-includes/link-template.php

@@ -123 +123 @@
             if ( $cats ) {
                 usort($cats, '_usort_terms_by_ID'); // order by ID
-                $category = $cats[0]->slug;
-                if ( $parent = $cats[0]->parent )
+                $category_object = apply_filters( 'post_link_category', $cats[0], $cats, $post );
+                $category_object = get_term( $category_object, 'category' );
+                $category = $category_object->slug;
+                if ( $parent = $category_object->parent )
                     $category = get_category_parents($parent, false, '/', true) . $category;
             }