From 1268c0023d7085fb4d960b869bf79ef0ade0d212 Mon Sep 17 00:00:00 2001
From: Frédéric Guillot <fred@kanboard.net>
Date: Wed, 15 Aug 2018 10:57:45 -0700
Subject: Avoid PHP error in Markdown parser

parent::inlineLink() could returns null or an array.

Bug introduced in commit c44880a.
---
 app/Core/Markdown.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/Core/Markdown.php b/app/Core/Markdown.php
index ae6adb5e..07e427d1 100644
--- a/app/Core/Markdown.php
+++ b/app/Core/Markdown.php
@@ -155,7 +155,9 @@ class Markdown extends Parsedown
     protected function inlineLink($Excerpt)
     {
         $Inline = parent::inlineLink($Excerpt);
-        array_push($Inline['element']['nonNestables'], 'TaskLink', 'UserLink');
+        if (is_array($Inline)) {
+            array_push($Inline['element']['nonNestables'], 'TaskLink', 'UserLink');
+        }
         return $Inline;
     }
 }
-- 
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