From ec4d899cf45cb575077e90f50b94ca9bf0ef2782 Mon Sep 17 00:00:00 2001
From: =?utf8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?=
 <avar@users.mediawiki.org>
Date: Sat, 16 Jul 2005 22:07:38 +0000
Subject: [PATCH] * empty() => ''

---
 includes/SpecialBooksources.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/includes/SpecialBooksources.php b/includes/SpecialBooksources.php
index 85a8178448..d582ed8c5e 100644
--- a/includes/SpecialBooksources.php
+++ b/includes/SpecialBooksources.php
@@ -39,7 +39,7 @@ class BookSourceList {
 		global $wgOut;
 
 		$wgOut->setPagetitle( wfMsg( "booksources" ) );
-		if( empty( $this->mIsbn ) ) {
+		if( $this->mIsbn == '' ) {
 			$this->askForm();
 		} else {
 			$this->showList();
-- 
2.20.1