Ticket #12600: get_pages.diff

post.php

@@ -2902 +2902 @@
                 'exclude' => '', 'include' => '',
                 'meta_key' => '', 'meta_value' => '',
                 'authors' => '', 'parent' => -1, 'exclude_tree' => '',
-                'number' => '', 'offset' => 0
+                'number' => '', 'offset' => 0,
+                'post_type' => 'page', 'post_status' => 'publish',
         );
 
         $r = wp_parse_args( $args, $defaults );
         extract( $r, EXTR_SKIP );
         $number = (int) $number;
         $offset = (int) $offset;
+        
+        // Make sure the post type is hierarchical
+        $hierarchical_post_types = get_post_types( array( 'hierarchical' => true ) );
+        if ( !in_array( $post_type, $hierarchical_post_types ) )
+                return false;
+        
+        // Make sure we have a valid post status
+        if ( !in_array($post_status, get_post_stati()) )
+                return false;
 
         $cache = array();
         $key = md5( serialize( compact(array_keys($defaults)) ) );
@@ -3001 +3011 @@
 
         if ( $parent >= 0 )
                 $where .= $wpdb->prepare(' AND post_parent = %d ', $parent);
+                
+        $where_post_type = $wpdb->prepare( "post_type = '%s' AND post_status = '%s'", $post_type, $post_status );
 
-        $query = "SELECT * FROM $wpdb->posts $join WHERE (post_type = 'page' AND post_status = 'publish') $where ";
+        $query = "SELECT * FROM $wpdb->posts $join WHERE ($where_post_type) $where ";
         $query .= $author_query;
         $query .= " ORDER BY " . $sort_column . " " . $sort_order ;