Ticket #10230: patch.post.php

Index: post.php
===================================================================
--- post.php    (révision 12156)
+++ post.php    (copie de travail)
@@ -2341,11 +2341,15 @@
  * @param array $pages List of pages' objects.
  * @return array
  */
-function &get_page_children($page_id, $pages) {
+function &get_page_children($page_id, $pages, $number=0) {
        $page_list = array();
+       $number_count = 0;
        foreach ( (array) $pages as $page ) {
-               if ( $page->post_parent == $page_id ) {
+               if ( $page->post_parent == $page_id && $number==0 ||  $page->post_parent == $page_id && $number_count < $number) {
                        $page_list[] = $page;
+                       if ( $number != 0)
+                               $number_count+=1;
+                       
                        if ( $children = get_page_children($page->ID, $pages) )
                                $page_list = array_merge($page_list, $children);
                }
@@ -2552,7 +2556,7 @@
        $query .= $author_query;
        $query .= " ORDER BY " . $sort_column . " " . $sort_order ;
 
-       if ( !empty($number) )
+       if ( !empty($number) && $child_of == 0 )
                $query .= ' LIMIT ' . $offset . ',' . $number;
 
        $pages = $wpdb->get_results($query);
@@ -2571,8 +2575,11 @@
        // Update cache.
        update_page_cache($pages);
 
-       if ( $child_of || $hierarchical )
+       if ( ($child_of || $hierarchical) && $number > 0 ) {
+               $pages = & get_page_children($child_of, $pages, $number);
+       } elseif ( ($child_of || $hierarchical) && $number == 0) {
                $pages = & get_page_children($child_of, $pages);
+       }
 
        if ( !empty($exclude_tree) ) {
                $exclude = (int) $exclude_tree;