Ticket #16202: exclude_tree.patch

wp-includes/post.php

@@ -3434 +3434 @@
                 $pages = & get_page_children($child_of, $pages);
 
         if ( !empty($exclude_tree) ) {
-                $exclude = (int) $exclude_tree;
-                $children = get_page_children($exclude, $pages);
-                $excludes = array();
-                foreach ( $children as $child )
-                        $excludes[] = $child->ID;
-                $excludes[] = $exclude;
-                $num_pages = count($pages);
-                for ( $i = 0; $i < $num_pages; $i++ ) {
-                        if ( in_array($pages[$i]->ID, $excludes) )
-                                unset($pages[$i]);
+                $exclude_trees = preg_split('/[\s,]+/',$exclude_tree);
+                if ( count($exclude_trees) ) {
+                        $num_pages = count($pages);
+                        foreach ( $exclude_trees as $tree ) {
+                                $exclude = (int) $tree;
+                                $children = get_page_children($exclude, $pages);
+                                $excludes = array();
+                                foreach ( $children as $child )
+                                        $excludes[] = $child->ID;
+                                $excludes[] = $exclude;
+                                for ( $i = 0; $i < $num_pages; $i++ ) {
+                                        if ( in_array($pages[$i]->ID, $excludes) )
+                                                unset($pages[$i]);
+                                }
+                        }
                 }
         }