Ticket #7530: 7530-option2.patch

wp-includes/post.php

@@ -3000 +3000 @@
                 return false;
 
         if ( !is_array($post_ids) ) {
-                $post_ids = preg_replace('|[^0-9,]|', '', $post_ids);
+                $post_ids = preg_replace(apply_filters('update_postmeta_cache_regex','|[^0-9,]|'), '', $post_ids);
                 $post_ids = explode(',', $post_ids);
         }