From b03108a2ccb5706240ec838b4735ac0f4b57fc60 Mon Sep 17 00:00:00 2001
From: Christoph Wurst <christoph@winzerhof-wurst.at>
Date: Thu, 9 Jan 2020 15:22:47 +0100
Subject: [PATCH] Check if header has an index 0 before accessing it

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>
---
 src/Favicon/Favicon.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Favicon/Favicon.php b/src/Favicon/Favicon.php
index 71f76c4..f964137 100644
--- a/src/Favicon/Favicon.php
+++ b/src/Favicon/Favicon.php
@@ -97,7 +97,7 @@ public function info($url)
         $loop = TRUE;
         while ($loop && $max_loop-- > 0) {
             $headers = $this->dataAccess->retrieveHeader($url);
-            if (empty($headers)) {
+            if (empty($headers) || !array_key_exists(0, $headers)) {
                 return false;
             }
             $exploded = explode(' ', $headers[0]);