From 7f7ffbb1beb1176c443a0ef19558cbe99a7a4c7e Mon Sep 17 00:00:00 2001
From: "James D. Forrester" <jforrester@wikimedia.org>
Date: Wed, 4 Jan 2017 11:49:17 -0800
Subject: [PATCH] ApiVisualEditorEditor#postData: Use isset on oldid post param

Bug: T154559
Change-Id: I83907f7df9360bb6fcc03615ec9e5d1d5856250b
---
 ApiVisualEditorEdit.php | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/ApiVisualEditorEdit.php b/ApiVisualEditorEdit.php
index 999d494db9..5a9e50328a 100644
--- a/ApiVisualEditorEdit.php
+++ b/ApiVisualEditorEdit.php
@@ -183,11 +183,8 @@ class ApiVisualEditorEdit extends ApiVisualEditor {
 	}
 
 	protected function postData( $path, $title, $data, $parserParams, $etag ) {
-		if ( $parserParams['oldid'] === 0 ) {
-			$parserParams['oldid'] = '';
-		}
 		$path .= urlencode( $title->getPrefixedDBkey() );
-		if ( $parserParams['oldid'] ) {
+		if ( isset( $parserParams['oldid'] ) && $parserParams['oldid'] ) {
 			$path .= '/' . $parserParams['oldid'];
 		}
 		return $this->requestRestbase(