From a979689003acd0e2722b9abaca8d86a74f345ead Mon Sep 17 00:00:00 2001
From: Brad Jorsch <bjorsch@wikimedia.org>
Date: Mon, 15 Aug 2016 10:13:54 -0400
Subject: [PATCH] HTMLFormFieldCloner: Pass enpty array, not null, to avoid
 warning

Bug: T142912
Change-Id: I18edfcb62f7b21f2c1990c73944ee6a956fd4901
---
 includes/htmlform/fields/HTMLFormFieldCloner.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/includes/htmlform/fields/HTMLFormFieldCloner.php b/includes/htmlform/fields/HTMLFormFieldCloner.php
index ec1bd8427d..f39f54be1a 100644
--- a/includes/htmlform/fields/HTMLFormFieldCloner.php
+++ b/includes/htmlform/fields/HTMLFormFieldCloner.php
@@ -354,7 +354,7 @@ class HTMLFormFieldCloner extends HTMLFormField {
 			);
 		}
 
-		$template = $this->getInputHTMLForKey( $this->uniqueId, null );
+		$template = $this->getInputHTMLForKey( $this->uniqueId, [] );
 		$html = Html::rawElement( 'ul', [
 			'id' => "mw-htmlform-cloner-list-{$this->mID}",
 			'class' => 'mw-htmlform-cloner-ul',
-- 
2.20.1