Ticket #15407: get_the_category.dry.15407.diff

wp-includes/category-template.php

@@ -64 +64 @@
  * @return array
  */
 function get_the_category( $id = false ) {
-        global $post;
+        $categories = get_the_terms( $id, 'category' );
 
-        $id = (int) $id;
-        if ( !$id )
-                $id = (int) $post->ID;
-
-        $categories = get_object_term_cache( $id, 'category' );
-        if ( false === $categories ) {
-                $categories = wp_get_object_terms( $id, 'category' );
-                wp_cache_add($id, $categories, 'category_relationships');
-        }
-
-        if ( !empty( $categories ) )
-                usort( $categories, '_usort_terms_by_name' );
-        else
-                $categories = array();
-
         foreach ( (array) array_keys( $categories ) as $key ) {
                 _make_cat_compat( $categories[$key] );
         }
-
-        return $categories;
+        
+        return apply_filters( 'get_the_categories', $categories );
 }
 
 /**