From f5fe6fa2ee0e941f9e573ab691c9e0c4f9a2f8b9 Mon Sep 17 00:00:00 2001
From: Matias Griese <matias@kunena.org>
Date: Tue, 15 Aug 2017 20:40:57 +0300
Subject: [PATCH] Minor improvement on fix

---
 src/classes/Gantry/Component/Twig/TwigExtension.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/classes/Gantry/Component/Twig/TwigExtension.php b/src/classes/Gantry/Component/Twig/TwigExtension.php
index 1358c59a6..87638c50c 100644
--- a/src/classes/Gantry/Component/Twig/TwigExtension.php
+++ b/src/classes/Gantry/Component/Twig/TwigExtension.php
@@ -271,7 +271,7 @@ public function attributeArrayFilter($input)
                 foreach ((array) $value as $key2 => $value2) {
                     $array[] = HtmlDocument::escape($key2) . '="' . HtmlDocument::escape($value2, 'html_attr') . '"';
                 }
-            } else {
+            } elseif ($key) {
                 $array[] = HtmlDocument::escape($key) . '="' . HtmlDocument::escape($value, 'html_attr') . '"';
             }
         }