Return empty array instead of null. Props Denis-de-Bernardy. fixes #1…

…1661 for 2.9 git-svn-id: https://develop.svn.wordpress.org/branches/2.9@12572 602fd350-edb4-49c9-b593-d223f7449a82
tierra · Dec 29, 2009 · 9ac4ff3 · 9ac4ff3
1 parent 9e0a9fc
commit 9ac4ff3
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/wp-includes/post.php b/wp-includes/post.php
@@ -2391,8 +2391,10 @@ function &get_page_children($page_id, $pages) {
  */
 function &get_page_hierarchy( &$pages, $page_id = 0 ) {
 
-	if ( empty( $pages ) )
-		return null;
+	if ( empty( $pages ) ) {
+		$return = array();
+		return $return;
+	}
 
 	$children = array();
 	foreach ( (array) $pages as $p ) {