Ticket #21112: 21112.diff

wp-includes/post.php

@@ -2821 +2821 @@
  * Computes a unique slug for the post, when given the desired slug and some post details.
  *
  * @since 2.8.0
+ * @uses $wpdb
+ * @uses $wp_rewrite
+ * @uses apply_filters() Calls 'pre_wp_unique_post_slug' with empty string and
+ *  all function arguments
+ * @uses apply_filters() Calls 'wp_unique_post_slug' with resultant unique slug,
+ *  all function arguments, and the original slug
  *
  * @global wpdb $wpdb
  * @global WP_Rewrite $wp_rewrite
@@ -2835 +2841 @@
         if ( in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ) ) )
                 return $slug;
 
+        $override_slug = apply_filters( 'pre_wp_unique_post_slug', '', $slug, $post_ID, $post_status, $post_type, $post_parent );
+        if ( $override_slug )
+                return $override_slug;
+
         global $wpdb, $wp_rewrite;
 
         $original_slug = $slug;