Ticket #19636: 19636.diff

wp-includes/post.php

@@ -2039 +2039 @@
 
                 foreach ( (array) $children as $child )
                         clean_page_cache($child->ID);
-
-                $wp_rewrite->flush_rules(false);
         } else {
                 clean_post_cache($postid);
         }
@@ -4592 +4590 @@
 }
 
 /**
- * Hook used to prevent page/post cache and rewrite rules from staying dirty.
+ * Hook used to prevent page/post cache from staying dirty when a post is saved.
  *
- * Does two things. If the post is a page and has a template then it will
- * update/add that template to the meta. For both pages and posts, it will clean
- * the post cache to make sure that the cache updates to the changes done
- * recently. For pages, the rewrite rules of WordPress are flushed to allow for
- * any changes.
- *
- * The $post parameter, only uses 'post_type' property and 'page_template'
- * property.
- *
  * @since 2.3.0
  * @access private
- * @uses $wp_rewrite Flushes Rewrite Rules.
  *
  * @param int $post_id The ID in the database table for the $post
  * @param object $post Object type containing the post information
@@ -4613 +4601 @@
 function _save_post_hook($post_id, $post) {
         if ( $post->post_type == 'page' ) {
                 clean_page_cache($post_id);
-                // Avoid flushing rules for every post during import.
-                if ( !defined('WP_IMPORTING') ) {
-                        global $wp_rewrite;
-                        $wp_rewrite->flush_rules(false);
-                }
         } else {
                 clean_post_cache($post_id);
         }